195374975594399 has 4 divisors (see below), whose sum is σ = 196003190950320. Its totient is φ = 194746760238480.

The previous prime is 195374975594377. The next prime is 195374975594569. The reversal of 195374975594399 is 993495579473591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195374975594399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195374975294399) 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 in 3 ways as a sum of consecutive naturals, for example, 314107677494 + ... + 314107678115.

It is an arithmetic number, because the mean of its divisors is an integer number (49000797737580).

Almost surely, 2^{195374975594399} is an apocalyptic number.

195374975594399 is a deficient number, since it is larger than the sum of its proper divisors (628215355921).

195374975594399 is an equidigital number, since it uses as much as digits as its factorization.

195374975594399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628215355920.

The product of its digits is 52081218000, while the sum is 89.

The spelling of 195374975594399 in words is "one hundred ninety-five trillion, three hundred seventy-four billion, nine hundred seventy-five million, five hundred ninety-four thousand, three hundred ninety-nine".