195918148927 has 2 divisors, whose sum is σ = 195918148928. Its totient is φ = 195918148926.

The previous prime is 195918148919. The next prime is 195918148973. The reversal of 195918148927 is 729841819591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195918148927 - 2³ = 195918148919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195918158927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97959074463 + 97959074464.

It is an arithmetic number, because the mean of its divisors is an integer number (97959074464).

Almost surely, 2^195918148927 is an apocalyptic number.

195918148927 is a deficient number, since it is larger than the sum of its proper divisors (1).

195918148927 is an equidigital number, since it uses as much as digits as its factorization.

195918148927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 64.

The spelling of 195918148927 in words is "one hundred ninety-five billion, nine hundred eighteen million, one hundred forty-eight thousand, nine hundred twenty-seven".