6389657404 has 24 divisors (see below), whose sum is σ = 12046356000. Its totient is φ = 2948017344.

The previous prime is 6389657359. The next prime is 6389657447. The reversal of 6389657404 is 4047569836.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135462 + ... + 176434.

It is an arithmetic number, because the mean of its divisors is an integer number (501931500).

Almost surely, 2^6389657404 is an apocalyptic number.

It is an amenable number.

6389657404 is a deficient number, since it is larger than the sum of its proper divisors (5656698596).

6389657404 is a wasteful number, since it uses less digits than its factorization.

6389657404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43989 (or 43987 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The square root of 6389657404 is about 79935.3326383271. The cubic root of 6389657404 is about 1855.6348675887.

The spelling of 6389657404 in words is "six billion, three hundred eighty-nine million, six hundred fifty-seven thousand, four hundred four".