189427532355 has 24 divisors (see below), whose sum is σ = 328353471888. Its totient is φ = 101024197056.

The previous prime is 189427532311. The next prime is 189427532377. The reversal of 189427532355 is 553235724981.

189427532355 is a `hidden beast` number, since 1 + 89 + 4 + 27 + 532 + 3 + 5 + 5 = 666.

It is not a de Polignac number, because 189427532355 - 2¹² = 189427528259 is a prime.

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, 1444344 + ... + 1570026.

It is an arithmetic number, because the mean of its divisors is an integer number (13681394662).

Almost surely, 2^189427532355 is an apocalyptic number.

189427532355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189427532355 is a deficient number, since it is larger than the sum of its proper divisors (138925939533).

189427532355 is a wasteful number, since it uses less digits than its factorization.

189427532355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159187 (or 159184 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 189427532355 in words is "one hundred eighty-nine billion, four hundred twenty-seven million, five hundred thirty-two thousand, three hundred fifty-five".