195609152975 has 12 divisors (see below), whose sum is σ = 244822225464. Its totient is φ = 155024821920.

The previous prime is 195609152953. The next prime is 195609152983. The reversal of 195609152975 is 579251906591.

It is a happy number.

It is not a de Polignac number, because 195609152975 - 2²⁰ = 195608104399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 36559784 + ... + 36565133.

It is an arithmetic number, because the mean of its divisors is an integer number (20401852122).

Almost surely, 2^195609152975 is an apocalyptic number.

195609152975 is a deficient number, since it is larger than the sum of its proper divisors (49213072489).

195609152975 is a wasteful number, since it uses less digits than its factorization.

195609152975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73125034 (or 73125029 counting only the distinct ones).

The product of its (nonzero) digits is 7654500, while the sum is 59.

The spelling of 195609152975 in words is "one hundred ninety-five billion, six hundred nine million, one hundred fifty-two thousand, nine hundred seventy-five".