195315813195 has 16 divisors (see below), whose sum is σ = 313027027200. Its totient is φ = 103994525024.

The previous prime is 195315813169. The next prime is 195315813221. The reversal of 195315813195 is 591318513591.

It is an interprime number because it is at equal distance from previous prime (195315813169) and next prime (195315813221).

It is a cyclic number.

It is not a de Polignac number, because 195315813195 - 2⁵ = 195315813163 is a prime.

It is a super-2 number, since 2×195315813195² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 10860009 + ... + 10877978.

It is an arithmetic number, because the mean of its divisors is an integer number (19564189200).

Almost surely, 2^195315813195 is an apocalyptic number.

195315813195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195315813195 is a deficient number, since it is larger than the sum of its proper divisors (117711214005).

195315813195 is a wasteful number, since it uses less digits than its factorization.

195315813195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21738594.

The product of its digits is 729000, while the sum is 51.

The spelling of 195315813195 in words is "one hundred ninety-five billion, three hundred fifteen million, eight hundred thirteen thousand, one hundred ninety-five".