189376908125 has 20 divisors (see below), whose sum is σ = 250565715180. Its totient is φ = 142589664000.

The previous prime is 189376907999. The next prime is 189376908131. The reversal of 189376908125 is 521809673981.

It can be written as a sum of positive squares in 10 ways, for example, as 141407585764 + 47969322361 = 376042^2 + 219019^2 .

It is not a de Polignac number, because 189376908125 - 2¹² = 189376904029 is a prime.

It is a super-2 number, since 2×189376908125² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8901230 + ... + 8922479.

It is an arithmetic number, because the mean of its divisors is an integer number (12528285759).

Almost surely, 2^189376908125 is an apocalyptic number.

It is an amenable number.

189376908125 is a deficient number, since it is larger than the sum of its proper divisors (61188807055).

189376908125 is an equidigital number, since it uses as much as digits as its factorization.

189376908125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17823746 (or 17823731 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 59.

The spelling of 189376908125 in words is "one hundred eighty-nine billion, three hundred seventy-six million, nine hundred eight thousand, one hundred twenty-five".