189353631795948 has 96 divisors (see below), whose sum is σ = 491287119590400. Its totient is φ = 63070273340928.

The previous prime is 189353631795877. The next prime is 189353631795961. The reversal of 189353631795948 is 849597136353981.

189353631795948 is a `hidden beast` number, since 1 + 8 + 9 + 3 + 5 + 3 + 6 + 3 + 17 + 9 + 594 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3495710761 + ... + 3495764927.

It is an arithmetic number, because the mean of its divisors is an integer number (5117574162400).

Almost surely, 2^{189353631795948} is an apocalyptic number.

189353631795948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

189353631795948 is an abundant number, since it is smaller than the sum of its proper divisors (301933487794452).

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

189353631795948 is a wasteful number, since it uses less digits than its factorization.

189353631795948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77996 (or 77988 counting only the distinct ones).

The product of its digits is 5290790400, while the sum is 81.

The spelling of 189353631795948 in words is "one hundred eighty-nine trillion, three hundred fifty-three billion, six hundred thirty-one million, seven hundred ninety-five thousand, nine hundred forty-eight".