189094631892 has 24 divisors (see below), whose sum is σ = 456435319200. Its totient is φ = 60858042336.

The previous prime is 189094631881. The next prime is 189094631903. The reversal of 189094631892 is 298136490981.

It is an interprime number because it is at equal distance from previous prime (189094631881) and next prime (189094631903).

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, 271687342 + ... + 271688037.

It is an arithmetic number, because the mean of its divisors is an integer number (19018138300).

Almost surely, 2^189094631892 is an apocalyptic number.

189094631892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189094631892 is an abundant number, since it is smaller than the sum of its proper divisors (267340687308).

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

189094631892 is a wasteful number, since it uses less digits than its factorization.

189094631892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543375415 (or 543375413 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 60.

The spelling of 189094631892 in words is "one hundred eighty-nine billion, ninety-four million, six hundred thirty-one thousand, eight hundred ninety-two".