3504689664 has 80 divisors (see below), whose sum is σ = 10670561088. Its totient is φ = 1001336832.

The previous prime is 3504689659. The next prime is 3504689681. The reversal of 3504689664 is 4669864053.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152227 + ... + 173730.

Almost surely, 2^3504689664 is an apocalyptic number.

It is an amenable number.

3504689664 is an abundant number, since it is smaller than the sum of its proper divisors (7165871424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3504689664 is an equidigital number, since it uses as much as digits as its factorization.

3504689664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325985 (or 325969 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The square root of 3504689664 is about 59200.4194579734. The cubic root of 3504689664 is about 1518.9723062415.

The spelling of 3504689664 in words is "three billion, five hundred four million, six hundred eighty-nine thousand, six hundred sixty-four".