5170918072319 has 4 divisors (see below), whose sum is σ = 5170927921320. Its totient is φ = 5170908223320.

The previous prime is 5170918072283. The next prime is 5170918072339. The reversal of 5170918072319 is 9132708190715.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5170918072319 - 2⁸ = 5170918072063 is a prime.

It is a super-2 number, since 2×5170918072319² (a number of 26 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 (5170918072339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4089812 + ... + 5202729.

It is an arithmetic number, because the mean of its divisors is an integer number (1292731980330).

Almost surely, 2^{5170918072319} is an apocalyptic number.

5170918072319 is a deficient number, since it is larger than the sum of its proper divisors (9849001).

5170918072319 is an equidigital number, since it uses as much as digits as its factorization.

5170918072319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849000.

The product of its (nonzero) digits is 952560, while the sum is 53.

The spelling of 5170918072319 in words is "five trillion, one hundred seventy billion, nine hundred eighteen million, seventy-two thousand, three hundred nineteen".