195017084517 has 4 divisors (see below), whose sum is σ = 260022779360. Its totient is φ = 130011389676.

The previous prime is 195017084497. The next prime is 195017084527. The reversal of 195017084517 is 715480710591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 195017084517 - 2²⁶ = 194949975653 is a prime.

It is a super-2 number, since 2×195017084517² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195017084527) 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, 32502847417 + ... + 32502847422.

It is an arithmetic number, because the mean of its divisors is an integer number (65005694840).

Almost surely, 2^195017084517 is an apocalyptic number.

It is an amenable number.

195017084517 is a deficient number, since it is larger than the sum of its proper divisors (65005694843).

195017084517 is an equidigital number, since it uses as much as digits as its factorization.

195017084517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65005694842.

The product of its (nonzero) digits is 352800, while the sum is 48.

The spelling of 195017084517 in words is "one hundred ninety-five billion, seventeen million, eighty-four thousand, five hundred seventeen".