189211943932 has 12 divisors (see below), whose sum is σ = 361222802136. Its totient is φ = 86005429040.

The previous prime is 189211943929. The next prime is 189211943989. The reversal of 189211943932 is 239349112981.

189211943932 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 189211943932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150135683 + ... + 2150135770.

It is an arithmetic number, because the mean of its divisors is an integer number (30101900178).

Almost surely, 2^189211943932 is an apocalyptic number.

It is an amenable number.

189211943932 is a deficient number, since it is larger than the sum of its proper divisors (172010858204).

189211943932 is a wasteful number, since it uses less digits than its factorization.

189211943932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300271468 (or 4300271466 counting only the distinct ones).

The product of its digits is 839808, while the sum is 52.

The spelling of 189211943932 in words is "one hundred eighty-nine billion, two hundred eleven million, nine hundred forty-three thousand, nine hundred thirty-two".