30857189496 has 32 divisors (see below), whose sum is σ = 88163399040. Its totient is φ = 8816339808.

The previous prime is 30857189437. The next prime is 30857189501. The reversal of 30857189496 is 69498175803.

It is a super-2 number, since 2×30857189496² (a number of 22 digits) contains 22 as substring.

It is a congruent 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, 91836706 + ... + 91837041.

It is an arithmetic number, because the mean of its divisors is an integer number (2755106220).

Almost surely, 2^30857189496 is an apocalyptic number.

It is an amenable number.

30857189496 is an abundant number, since it is smaller than the sum of its proper divisors (57306209544).

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

30857189496 is a wasteful number, since it uses less digits than its factorization.

30857189496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183673763 (or 183673759 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 30857189496 in words is "thirty billion, eight hundred fifty-seven million, one hundred eighty-nine thousand, four hundred ninety-six".