Which Beatles song spent the most weeks at No. 1 on the U.S. Billboard Hot 100?

"Hey Jude" spent nine consecutive weeks at No. 1 on the U.S. Billboard Hot 100 in 1968, making it the Beatles' longest-running chart-topper. Written primarily by Paul McCartney, the song was originally titled "Hey Jules" and was inspired by Julian Lennon, whom McCartney sought to comfort during his parents' divorce. At more than seven minutes long, it was the longest single ever to reach No. 1 on the Billboard Hot 100 at the time. Its unforgettable sing-along finale helped make it one of the Beatles' best-selling and most enduring songs.