189185875422 has 16 divisors (see below), whose sum is σ = 398286053760. Its totient is φ = 59742907992.

The previous prime is 189185875391. The next prime is 189185875493. The reversal of 189185875422 is 224578581981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829762498 + ... + 829762725.

It is an arithmetic number, because the mean of its divisors is an integer number (24892878360).

Almost surely, 2^189185875422 is an apocalyptic number.

189185875422 is an abundant number, since it is smaller than the sum of its proper divisors (209100178338).

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

189185875422 is a wasteful number, since it uses less digits than its factorization.

189185875422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659525247.

The product of its digits is 12902400, while the sum is 60.

The spelling of 189185875422 in words is "one hundred eighty-nine billion, one hundred eighty-five million, eight hundred seventy-five thousand, four hundred twenty-two".