3259993664 has 14 divisors (see below), whose sum is σ = 6469050054. Its totient is φ = 1629996800.

The previous prime is 3259993663. The next prime is 3259993673. The reversal of 3259993664 is 4663999523.

It can be written as a sum of positive squares in only one way, i.e., 2579827264 + 680166400 = 50792^2 + 26080^2 .

It is not an unprimeable number, because it can be changed into a prime (3259993663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25468637 + ... + 25468764.

Almost surely, 2^3259993664 is an apocalyptic number.

It is an amenable number.

3259993664 is a deficient number, since it is larger than the sum of its proper divisors (3209056390).

3259993664 is an equidigital number, since it uses as much as digits as its factorization.

3259993664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50937413 (or 50937403 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 56.

The square root of 3259993664 is about 57096.3542093539. The cubic root of 3259993664 is about 1482.7647468170.

The spelling of 3259993664 in words is "three billion, two hundred fifty-nine million, nine hundred ninety-three thousand, six hundred sixty-four".