30604690856 has 16 divisors (see below), whose sum is σ = 57385892340. Its totient is φ = 15301786240.

The previous prime is 30604690849. The next prime is 30604690903. The reversal of 30604690856 is 65809640603.

It can be written as a sum of positive squares in 2 ways, for example, as 29094124900 + 1510565956 = 170570^2 + 38866^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30604690856.

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, 247466 + ... + 349926.

Almost surely, 2^30604690856 is an apocalyptic number.

It is an amenable number.

30604690856 is a deficient number, since it is larger than the sum of its proper divisors (26781201484).

30604690856 is a wasteful number, since it uses less digits than its factorization.

30604690856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139804 (or 139800 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 30604690856 in words is "thirty billion, six hundred four million, six hundred ninety thousand, eight hundred fifty-six".