9996944730399 has 32 divisors (see below), whose sum is σ = 16183651392000. Its totient is φ = 6048639492480.

The previous prime is 9996944730397. The next prime is 9996944730433. The reversal of 9996944730399 is 9930374496999.

It is not a de Polignac number, because 9996944730399 - 2¹ = 9996944730397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996944730397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27918714 + ... + 28274519.

It is an arithmetic number, because the mean of its divisors is an integer number (505739106000).

Almost surely, 2^{9996944730399} is an apocalyptic number.

9996944730399 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9996944730399 is a deficient number, since it is larger than the sum of its proper divisors (6186706661601).

9996944730399 is a wasteful number, since it uses less digits than its factorization.

9996944730399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56193852 (or 56193846 counting only the distinct ones).

The product of its (nonzero) digits is 3214155168, while the sum is 81.

The spelling of 9996944730399 in words is "nine trillion, nine hundred ninety-six billion, nine hundred forty-four million, seven hundred thirty thousand, three hundred ninety-nine".