9944659936 has 24 divisors (see below), whose sum is σ = 19596147480. Its totient is φ = 4967860608.

The previous prime is 9944659927. The next prime is 9944659957. The reversal of 9944659936 is 6399564499.

It is a super-2 number, since 2×9944659936² (a number of 21 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 9944659936 parts by 141029 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103366 + ... + 174853.

It is an arithmetic number, because the mean of its divisors is an integer number (816506145).

Almost surely, 2^9944659936 is an apocalyptic number.

It is an amenable number.

9944659936 is a deficient number, since it is larger than the sum of its proper divisors (9651487544).

9944659936 is a wasteful number, since it uses less digits than its factorization.

9944659936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279346 (or 279338 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 64.

The square root of 9944659936 is about 99722.9158017354. The cubic root of 9944659936 is about 2150.4531178381.

The spelling of 9944659936 in words is "nine billion, nine hundred forty-four million, six hundred fifty-nine thousand, nine hundred thirty-six".