30989432874 has 16 divisors (see below), whose sum is σ = 61980623712. Its totient is φ = 10329517968.

The previous prime is 30989432819. The next prime is 30989432891. The reversal of 30989432874 is 47823498903.

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, 310857 + ... + 398259.

It is an arithmetic number, because the mean of its divisors is an integer number (3873788982).

Almost surely, 2^30989432874 is an apocalyptic number.

30989432874 is an abundant number, since it is smaller than the sum of its proper divisors (30991190838).

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

30989432874 is a wasteful number, since it uses less digits than its factorization.

30989432874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146501.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 30989432874 in words is "thirty billion, nine hundred eighty-nine million, four hundred thirty-two thousand, eight hundred seventy-four".