189469526500 has 48 divisors (see below), whose sum is σ = 431792839296. Its totient is φ = 72492684000.

The previous prime is 189469526459. The next prime is 189469526549. The reversal of 189469526500 is 5625964981.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8226306 + ... + 8249305.

It is an arithmetic number, because the mean of its divisors is an integer number (8995684152).

Almost surely, 2^189469526500 is an apocalyptic number.

189469526500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189469526500 is an abundant number, since it is smaller than the sum of its proper divisors (242323312796).

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

189469526500 is a wasteful number, since it uses less digits than its factorization.

189469526500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16475653 (or 16475641 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 189469526500 in words is "one hundred eighty-nine billion, four hundred sixty-nine million, five hundred twenty-six thousand, five hundred".