5131847944 has 16 divisors (see below), whose sum is σ = 9641126700. Its totient is φ = 2560880832.

The previous prime is 5131847927. The next prime is 5131847977. The reversal of 5131847944 is 4497481315.

It can be written as a sum of positive squares in 2 ways, for example, as 5092535044 + 39312900 = 71362^2 + 6270^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5131847894 and 5131847903.

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, 626067 + ... + 634210.

Almost surely, 2^5131847944 is an apocalyptic number.

It is an amenable number.

5131847944 is a deficient number, since it is larger than the sum of its proper divisors (4509278756).

5131847944 is a wasteful number, since it uses less digits than its factorization.

5131847944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260792 (or 1260788 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 5131847944 is about 71636.9174657871. The cubic root of 5131847944 is about 1724.8761873188.

The spelling of 5131847944 in words is "five billion, one hundred thirty-one million, eight hundred forty-seven thousand, nine hundred forty-four".