189692056099 has 72 divisors (see below), whose sum is σ = 246488634000. Its totient is φ = 144589463424.

The previous prime is 189692056091. The next prime is 189692056111. The reversal of 189692056099 is 990650296981.

It is a happy number.

It is not a de Polignac number, because 189692056099 - 2³ = 189692056091 is a prime.

It is a super-2 number, since 2×189692056099² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189692056099.

It is not an unprimeable number, because it can be changed into a prime (189692056091) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 380144152 + ... + 380144650.

It is an arithmetic number, because the mean of its divisors is an integer number (3423453250).

Almost surely, 2^189692056099 is an apocalyptic number.

189692056099 is a deficient number, since it is larger than the sum of its proper divisors (56796577901).

189692056099 is a wasteful number, since it uses less digits than its factorization.

189692056099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 64.

The spelling of 189692056099 in words is "one hundred eighty-nine billion, six hundred ninety-two million, fifty-six thousand, ninety-nine".