9909431324 has 24 divisors (see below), whose sum is σ = 18680430720. Its totient is φ = 4572368064.

The previous prime is 9909431321. The next prime is 9909431339. The reversal of 9909431324 is 4231349099.

9909431324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9909431321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189557 + ... + 236115.

It is an arithmetic number, because the mean of its divisors is an integer number (778351280).

Almost surely, 2^9909431324 is an apocalyptic number.

It is an amenable number.

9909431324 is a deficient number, since it is larger than the sum of its proper divisors (8770999396).

9909431324 is a wasteful number, since it uses less digits than its factorization.

9909431324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50669 (or 50667 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 9909431324 is about 99546.1266147508. The cubic root of 9909431324 is about 2147.9108116642.

The spelling of 9909431324 in words is "nine billion, nine hundred nine million, four hundred thirty-one thousand, three hundred twenty-four".