189032697388 has 48 divisors (see below), whose sum is σ = 345568204800. Its totient is φ = 90373472640.

The previous prime is 189032697353. The next prime is 189032697391. The reversal of 189032697388 is 883796230981.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17199631 + ... + 17210617.

It is an arithmetic number, because the mean of its divisors is an integer number (7199337600).

Almost surely, 2^189032697388 is an apocalyptic number.

It is an amenable number.

189032697388 is a deficient number, since it is larger than the sum of its proper divisors (156535507412).

189032697388 is a wasteful number, since it uses less digits than its factorization.

189032697388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12670 (or 12668 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 189032697388 in words is "one hundred eighty-nine billion, thirty-two million, six hundred ninety-seven thousand, three hundred eighty-eight".