5172307431837 has 64 divisors (see below), whose sum is σ = 8866290585600. Its totient is φ = 2606871826944.

The previous prime is 5172307431829. The next prime is 5172307431839. The reversal of 5172307431837 is 7381347032715.

It is not a de Polignac number, because 5172307431837 - 2³ = 5172307431829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5172307431837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172307431839) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5511289 + ... + 6381137.

It is an arithmetic number, because the mean of its divisors is an integer number (138535790400).

Almost surely, 2^{5172307431837} is an apocalyptic number.

It is an amenable number.

5172307431837 is a deficient number, since it is larger than the sum of its proper divisors (3693983153763).

5172307431837 is a wasteful number, since it uses less digits than its factorization.

5172307431837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870842.

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 5172307431837 in words is "five trillion, one hundred seventy-two billion, three hundred seven million, four hundred thirty-one thousand, eight hundred thirty-seven".