6404602564 has 12 divisors (see below), whose sum is σ = 11211289488. Its totient is φ = 3201377000.

The previous prime is 6404602553. The next prime is 6404602577. The reversal of 6404602564 is 4652064046.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215362 + ... + 243289.

It is an arithmetic number, because the mean of its divisors is an integer number (934274124).

Almost surely, 2^6404602564 is an apocalyptic number.

It is an amenable number.

6404602564 is a deficient number, since it is larger than the sum of its proper divisors (4806686924).

6404602564 is a wasteful number, since it uses less digits than its factorization.

6404602564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462146 (or 462144 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 6404602564 is about 80028.7608550826. The cubic root of 6404602564 is about 1857.0804936658.

The spelling of 6404602564 in words is "six billion, four hundred four million, six hundred two thousand, five hundred sixty-four".