30703964656 has 40 divisors (see below), whose sum is σ = 63169997040. Its totient is φ = 14407240704.

The previous prime is 30703964651. The next prime is 30703964689. The reversal of 30703964656 is 65646930703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30703964651) 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, 68271 + ... + 257038.

It is an arithmetic number, because the mean of its divisors is an integer number (1579249926).

Almost surely, 2^30703964656 is an apocalyptic number.

It is an amenable number.

30703964656 is an abundant number, since it is smaller than the sum of its proper divisors (32466032384).

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

30703964656 is a wasteful number, since it uses less digits than its factorization.

30703964656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325681 (or 325675 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 49.

The spelling of 30703964656 in words is "thirty billion, seven hundred three million, nine hundred sixty-four thousand, six hundred fifty-six".