Hecho general: 5669 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 5669 is a value of n for which |cos(n)| is smaller than any previous integer.
Trivia: 5669 is an uninteresting number.
Fecha histórica: July 9th is the day in 1776 that George Washington ordered the Declaration of Independence to be read out loud to members of the Continental Army in New York City for the first time.