189023370804 has 36 divisors (see below), whose sum is σ = 505915494084. Its totient is φ = 59301449472.

The previous prime is 189023370793. The next prime is 189023370839. The reversal of 189023370804 is 408073320981.

189023370804 is a `hidden beast` number, since 189 + 0 + 23 + 370 + 80 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 158292579600 + 30730791204 = 397860^2 + 175302^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 189023370804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154430247 + ... + 154431470.

It is an arithmetic number, because the mean of its divisors is an integer number (14053208169).

Almost surely, 2^189023370804 is an apocalyptic number.

It is an amenable number.

189023370804 is an abundant number, since it is smaller than the sum of its proper divisors (316892123280).

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

189023370804 is a wasteful number, since it uses less digits than its factorization.

189023370804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308861744 (or 308861739 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 189023370804 in words is "one hundred eighty-nine billion, twenty-three million, three hundred seventy thousand, eight hundred four".