6865904464 has 20 divisors (see below), whose sum is σ = 13304120704. Its totient is φ = 3432583008.

The previous prime is 6865904449. The next prime is 6865904473. The reversal of 6865904464 is 4644095686.

It is a happy number.

It is a congruent number.

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, 189889 + ... + 223135.

Almost surely, 2^6865904464 is an apocalyptic number.

It is an amenable number.

6865904464 is a deficient number, since it is larger than the sum of its proper divisors (6438216240).

6865904464 is a wasteful number, since it uses less digits than its factorization.

6865904464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46162 (or 46156 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The square root of 6865904464 is about 82860.7534602480. The cubic root of 6865904464 is about 1900.6373175025.

The spelling of 6865904464 in words is "six billion, eight hundred sixty-five million, nine hundred four thousand, four hundred sixty-four".