30557836864 has 21 divisors (see below), whose sum is σ = 60640982731. Its totient is φ = 15278219200.

The previous prime is 30557836811. The next prime is 30557836909. The reversal of 30557836864 is 46863875503.

The square root of 30557836864 is 174808.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1387539 + ... + 1409389.

Almost surely, 2^30557836864 is an apocalyptic number.

30557836864 is the 174808-th square number.

It is an amenable number.

30557836864 is a deficient number, since it is larger than the sum of its proper divisors (30083145867).

30557836864 is an frugal number, since it uses more digits than its factorization.

30557836864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43714 (or 21853 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 30557836864 in words is "thirty billion, five hundred fifty-seven million, eight hundred thirty-six thousand, eight hundred sixty-four".