5113187944 has 16 divisors (see below), whose sum is σ = 9603568800. Its totient is φ = 2552236272.

The previous prime is 5113187909. The next prime is 5113187969. The reversal of 5113187944 is 4497813115.

It is a happy number.

It is a super-2 number, since 2×5113187944² = 52289381901333894272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5113187944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539724 + ... + 549115.

It is an arithmetic number, because the mean of its divisors is an integer number (600223050).

Almost surely, 2^5113187944 is an apocalyptic number.

It is an amenable number.

5113187944 is a deficient number, since it is larger than the sum of its proper divisors (4490380856).

5113187944 is a wasteful number, since it uses less digits than its factorization.

5113187944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089432 (or 1089428 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 5113187944 is about 71506.5587481316. The cubic root of 5113187944 is about 1722.7830310184.

The spelling of 5113187944 in words is "five billion, one hundred thirteen million, one hundred eighty-seven thousand, nine hundred forty-four".