9944936313 has 24 divisors (see below), whose sum is σ = 14441493312. Its totient is φ = 6084531648.

The previous prime is 9944936297. The next prime is 9944936317. The reversal of 9944936313 is 3136394499.

It is not a de Polignac number, because 9944936313 - 2⁴ = 9944936297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9944936317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31020 + ... + 144402.

It is an arithmetic number, because the mean of its divisors is an integer number (601728888).

Almost surely, 2^9944936313 is an apocalyptic number.

It is an amenable number.

9944936313 is a deficient number, since it is larger than the sum of its proper divisors (4496556999).

9944936313 is a wasteful number, since it uses less digits than its factorization.

9944936313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113585 (or 113572 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 51.

The square root of 9944936313 is about 99724.3015167316. The cubic root of 9944936313 is about 2150.4730390917.

The spelling of 9944936313 in words is "nine billion, nine hundred forty-four million, nine hundred thirty-six thousand, three hundred thirteen".