5215317646 has 48 divisors (see below), whose sum is σ = 9940544640. Its totient is φ = 2029270320.

The previous prime is 5215317637. The next prime is 5215317683. The reversal of 5215317646 is 6467135125.

It is a junction number, because it is equal to n+sod(n) for n = 5215317599 and 5215317608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 949135 + ... + 954613.

It is an arithmetic number, because the mean of its divisors is an integer number (207094680).

Almost surely, 2^5215317646 is an apocalyptic number.

5215317646 is a deficient number, since it is larger than the sum of its proper divisors (4725226994).

5215317646 is a wasteful number, since it uses less digits than its factorization.

5215317646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389 (or 6382 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 5215317646 is about 72217.1561749699. The cubic root of 5215317646 is about 1734.1776641000.

The spelling of 5215317646 in words is "five billion, two hundred fifteen million, three hundred seventeen thousand, six hundred forty-six".