189339918092 has 24 divisors (see below), whose sum is σ = 357374463600. Its totient is φ = 87255032256.

The previous prime is 189339918077. The next prime is 189339918107. The reversal of 189339918092 is 290819933981.

It is an interprime number because it is at equal distance from previous prime (189339918077) and next prime (189339918107).

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2728367 + ... + 2796902.

It is an arithmetic number, because the mean of its divisors is an integer number (14890602650).

Almost surely, 2^189339918092 is an apocalyptic number.

It is an amenable number.

189339918092 is a deficient number, since it is larger than the sum of its proper divisors (168034545508).

189339918092 is a wasteful number, since it uses less digits than its factorization.

189339918092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525945 (or 5525943 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 62.

The spelling of 189339918092 in words is "one hundred eighty-nine billion, three hundred thirty-nine million, nine hundred eighteen thousand, ninety-two".