5216518718473 has 4 divisors (see below), whose sum is σ = 5216544387280. Its totient is φ = 5216493049668.

The previous prime is 5216518718423. The next prime is 5216518718507. The reversal of 5216518718473 is 3748178156125.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5216518718473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5216518718423) 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, 12527115 + ... + 12936832.

It is an arithmetic number, because the mean of its divisors is an integer number (1304136096820).

Almost surely, 2^{5216518718473} is an apocalyptic number.

It is an amenable number.

5216518718473 is a deficient number, since it is larger than the sum of its proper divisors (25668807).

5216518718473 is a wasteful number, since it uses less digits than its factorization.

5216518718473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25668806.

The product of its digits is 11289600, while the sum is 58.

The spelling of 5216518718473 in words is "five trillion, two hundred sixteen billion, five hundred eighteen million, seven hundred eighteen thousand, four hundred seventy-three".