189970708523922 has 12 divisors (see below), whose sum is σ = 411603201801870. Its totient is φ = 63323569507968.

The previous prime is 189970708523867. The next prime is 189970708523941. The reversal of 189970708523922 is 229325807079981.

189970708523922 is a `hidden beast` number, since 1 + 8 + 9 + 9 + 7 + 0 + 7 + 0 + 8 + 523 + 92 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 170320274563761 + 19650433960161 = 13050681^2 + 4432881^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5276964125647 + ... + 5276964125682.

Almost surely, 2^{189970708523922} is an apocalyptic number.

189970708523922 is an abundant number, since it is smaller than the sum of its proper divisors (221632493277948).

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

189970708523922 is a wasteful number, since it uses less digits than its factorization.

189970708523922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553928251337 (or 10553928251334 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 72.

The spelling of 189970708523922 in words is "one hundred eighty-nine trillion, nine hundred seventy billion, seven hundred eight million, five hundred twenty-three thousand, nine hundred twenty-two".