189477058959 has 6 divisors (see below), whose sum is σ = 273689085176. Its totient is φ = 126318039300.

The previous prime is 189477058949. The next prime is 189477058963. The reversal of 189477058959 is 959850774981.

It is a happy number.

189477058959 is a `hidden beast` number, since 18 + 9 + 477 + 0 + 58 + 95 + 9 = 666.

It is not a de Polignac number, because 189477058959 - 2⁸ = 189477058703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189477058909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10526503267 + ... + 10526503284.

Almost surely, 2^189477058959 is an apocalyptic number.

189477058959 is a deficient number, since it is larger than the sum of its proper divisors (84212026217).

189477058959 is a wasteful number, since it uses less digits than its factorization.

189477058959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21053006557 (or 21053006554 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 72.

The spelling of 189477058959 in words is "one hundred eighty-nine billion, four hundred seventy-seven million, fifty-eight thousand, nine hundred fifty-nine".