5218704656 has 20 divisors (see below), whose sum is σ = 11030444304. Its totient is φ = 2372138400.

The previous prime is 5218704629. The next prime is 5218704661. The reversal of 5218704656 is 6564078125.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 14825690 + ... + 14826041.

Almost surely, 2^5218704656 is an apocalyptic number.

It is an amenable number.

5218704656 is an abundant number, since it is smaller than the sum of its proper divisors (5811739648).

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

5218704656 is a wasteful number, since it uses less digits than its factorization.

5218704656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29651750 (or 29651744 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 5218704656 is about 72240.6025445525. The cubic root of 5218704656 is about 1734.5529947716.

The spelling of 5218704656 in words is "five billion, two hundred eighteen million, seven hundred four thousand, six hundred fifty-six".