195976813922 has 6 divisors (see below), whose sum is σ = 293966159979. Its totient is φ = 97988093930.

The previous prime is 195976813919. The next prime is 195976813933. The reversal of 195976813922 is 229318679591.

It can be written as a sum of positive squares in only one way, i.e., 97988406961 + 97988406961 = 313031^2 + 313031^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=313031.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 469547 + ... + 782577.

Almost surely, 2^195976813922 is an apocalyptic number.

195976813922 is a deficient number, since it is larger than the sum of its proper divisors (97989346057).

195976813922 is an frugal number, since it uses more digits than its factorization.

195976813922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626064 (or 313033 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 62.

The spelling of 195976813922 in words is "one hundred ninety-five billion, nine hundred seventy-six million, eight hundred thirteen thousand, nine hundred twenty-two".