9937509944 has 16 divisors (see below), whose sum is σ = 18803776200. Its totient is φ = 4923169632.

The previous prime is 9937509893. The next prime is 9937509991. The reversal of 9937509944 is 4499057399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5697242 + ... + 5698985.

Almost surely, 2^9937509944 is an apocalyptic number.

It is an amenable number.

9937509944 is a deficient number, since it is larger than the sum of its proper divisors (8866266256).

9937509944 is a wasteful number, since it uses less digits than its factorization.

9937509944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396342 (or 11396338 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 59.

The square root of 9937509944 is about 99687.0600629791. The cubic root of 9937509944 is about 2149.9376180927.

The spelling of 9937509944 in words is "nine billion, nine hundred thirty-seven million, five hundred nine thousand, nine hundred forty-four".