189597727272744 has 96 divisors (see below), whose sum is σ = 621370702854720. Its totient is φ = 50984262793728.

The previous prime is 189597727272683. The next prime is 189597727272769. The reversal of 189597727272744 is 447272727795981.

189597727272744 is a `hidden beast` number, since 1 + 8 + 9 + 5 + 9 + 77 + 272 + 7 + 274 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11064284574 + ... + 11064301709.

It is an arithmetic number, because the mean of its divisors is an integer number (6472611488070).

Almost surely, 2^{189597727272744} is an apocalyptic number.

189597727272744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189597727272744 is an abundant number, since it is smaller than the sum of its proper divisors (431772975581976).

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

189597727272744 is a wasteful number, since it uses less digits than its factorization.

189597727272744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22128586319 (or 22128586312 counting only the distinct ones).

The product of its digits is 6970199040, while the sum is 81.

The spelling of 189597727272744 in words is "one hundred eighty-nine trillion, five hundred ninety-seven billion, seven hundred twenty-seven million, two hundred seventy-two thousand, seven hundred forty-four".