195200831889 has 12 divisors (see below), whose sum is σ = 322236294016. Its totient is φ = 111543332472.

The previous prime is 195200831869. The next prime is 195200831911. The reversal of 195200831889 is 988138002591.

195200831889 is a `hidden beast` number, since 1 + 9 + 520 + 0 + 8 + 31 + 8 + 89 = 666.

It is not a de Polignac number, because 195200831889 - 2⁸ = 195200831633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195200831869) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1549212889 + ... + 1549213014.

Almost surely, 2^195200831889 is an apocalyptic number.

It is an amenable number.

195200831889 is a deficient number, since it is larger than the sum of its proper divisors (127035462127).

195200831889 is a wasteful number, since it uses less digits than its factorization.

195200831889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098425916 (or 3098425913 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The spelling of 195200831889 in words is "one hundred ninety-five billion, two hundred million, eight hundred thirty-one thousand, eight hundred eighty-nine".