189479428124 has 48 divisors (see below), whose sum is σ = 380956412928. Its totient is φ = 80778454848.

The previous prime is 189479428091. The next prime is 189479428133. The reversal of 189479428124 is 421824974981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4466477 + ... + 4508699.

It is an arithmetic number, because the mean of its divisors is an integer number (7936591936).

Almost surely, 2^189479428124 is an apocalyptic number.

189479428124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189479428124 is an abundant number, since it is smaller than the sum of its proper divisors (191476984804).

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

189479428124 is a wasteful number, since it uses less digits than its factorization.

189479428124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43074 (or 43072 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 59.

The spelling of 189479428124 in words is "one hundred eighty-nine billion, four hundred seventy-nine million, four hundred twenty-eight thousand, one hundred twenty-four".