Fatto generale: 6694 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 6694 is a value of n for which the sum of the first n primes is square.
Trivia: 6694 is a boring number.
Data storica: April 29th is the day in 1483 that Gran Canaria, the main of the Canary Islands is conquered by the Kingdom of Castile, very important step in the expansion of Spain.