30656920674 has 16 divisors (see below), whose sum is σ = 61336828800. Its totient is φ = 10215142320.

The previous prime is 30656920661. The next prime is 30656920691. The reversal of 30656920674 is 47602965603.

It is a super-2 number, since 2×30656920674² (a number of 22 digits) contains 22 as substring.

It is a Curzon 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, 940449 + ... + 972500.

It is an arithmetic number, because the mean of its divisors is an integer number (3833551800).

Almost surely, 2^30656920674 is an apocalyptic number.

30656920674 is an abundant number, since it is smaller than the sum of its proper divisors (30679908126).

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

30656920674 is a wasteful number, since it uses less digits than its factorization.

30656920674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915625.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 30656920674 in words is "thirty billion, six hundred fifty-six million, nine hundred twenty thousand, six hundred seventy-four".