5149315656 has 48 divisors (see below), whose sum is σ = 14018360460. Its totient is φ = 1707540480.

The previous prime is 5149315627. The next prime is 5149315663. The reversal of 5149315656 is 6565139415.

5149315656 is a `hidden beast` number, since 5 + 1 + 493 + 156 + 5 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4898600100 + 250715556 = 69990^2 + 15834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171385 + ... + 199176.

Almost surely, 2^5149315656 is an apocalyptic number.

It is an amenable number.

5149315656 is an abundant number, since it is smaller than the sum of its proper divisors (8869044804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5149315656 is a wasteful number, since it uses less digits than its factorization.

5149315656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370766 (or 370759 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 5149315656 is about 71758.7322630494. The cubic root of 5149315656 is about 1726.8310075156.

The spelling of 5149315656 in words is "five billion, one hundred forty-nine million, three hundred fifteen thousand, six hundred fifty-six".