195230692799 has 4 divisors (see below), whose sum is σ = 205505992440. Its totient is φ = 184955393160.

The previous prime is 195230692763. The next prime is 195230692819. The reversal of 195230692799 is 997296032591.

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-195230692799 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 (195230692999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5137649792 + ... + 5137649829.

It is an arithmetic number, because the mean of its divisors is an integer number (51376498110).

Almost surely, 2^195230692799 is an apocalyptic number.

195230692799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

195230692799 is a deficient number, since it is larger than the sum of its proper divisors (10275299641).

195230692799 is a wasteful number, since it uses less digits than its factorization.

195230692799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10275299640.

The product of its (nonzero) digits is 16533720, while the sum is 62.

The spelling of 195230692799 in words is "one hundred ninety-five billion, two hundred thirty million, six hundred ninety-two thousand, seven hundred ninety-nine".