189479156288 has 28 divisors (see below), whose sum is σ = 388126662912. Its totient is φ = 91683461760.

The previous prime is 189479156239. The next prime is 189479156329. The reversal of 189479156288 is 882651974981.

It is a super-2 number, since 2×189479156288² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47749820 + ... + 47753787.

Almost surely, 2^189479156288 is an apocalyptic number.

It is an amenable number.

189479156288 is an abundant number, since it is smaller than the sum of its proper divisors (198647506624).

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

189479156288 is an equidigital number, since it uses as much as digits as its factorization.

189479156288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95503650 (or 95503640 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 68.

The spelling of 189479156288 in words is "one hundred eighty-nine billion, four hundred seventy-nine million, one hundred fifty-six thousand, two hundred eighty-eight".