5649857904 has 40 divisors (see below), whose sum is σ = 14606846352. Its totient is φ = 1881817600.

The previous prime is 5649857903. The next prime is 5649857951. The reversal of 5649857904 is 4097589465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649857903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17212 + ... + 107684.

Almost surely, 2^5649857904 is an apocalyptic number.

It is an amenable number.

5649857904 is an abundant number, since it is smaller than the sum of its proper divisors (8956988448).

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

5649857904 is a wasteful number, since it uses less digits than its factorization.

5649857904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91785 (or 91779 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 57.

The square root of 5649857904 is about 75165.5366773896. The cubic root of 5649857904 is about 1781.0625629893.

The spelling of 5649857904 in words is "five billion, six hundred forty-nine million, eight hundred fifty-seven thousand, nine hundred four".