5318521438317 has 16 divisors (see below), whose sum is σ = 7107829703040. Its totient is φ = 3537447782400.

The previous prime is 5318521438303. The next prime is 5318521438319. The reversal of 5318521438317 is 7138341258135.

It is not a de Polignac number, because 5318521438317 - 2⁶ = 5318521438253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5318521438317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5318521438319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34904817 + ... + 35056857.

It is an arithmetic number, because the mean of its divisors is an integer number (444239356440).

Almost surely, 2^{5318521438317} is an apocalyptic number.

It is an amenable number.

5318521438317 is a deficient number, since it is larger than the sum of its proper divisors (1789308264723).

5318521438317 is a wasteful number, since it uses less digits than its factorization.

5318521438317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179044.

The product of its digits is 2419200, while the sum is 51.

The spelling of 5318521438317 in words is "five trillion, three hundred eighteen billion, five hundred twenty-one million, four hundred thirty-eight thousand, three hundred seventeen".