9368720399 has 2 divisors, whose sum is σ = 9368720400. Its totient is φ = 9368720398.

The previous prime is 9368720371. The next prime is 9368720401. The reversal of 9368720399 is 9930278639.

9368720399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9368720399 is a prime.

Together with 9368720401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9368750399) 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 as a sum of consecutive naturals, namely, 4684360199 + 4684360200.

It is an arithmetic number, because the mean of its divisors is an integer number (4684360200).

Almost surely, 2^9368720399 is an apocalyptic number.

9368720399 is a deficient number, since it is larger than the sum of its proper divisors (1).

9368720399 is an equidigital number, since it uses as much as digits as its factorization.

9368720399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The square root of 9368720399 is about 96792.1505030237. The cubic root of 9368720399 is about 2108.1107651561.

The spelling of 9368720399 in words is "nine billion, three hundred sixty-eight million, seven hundred twenty thousand, three hundred ninety-nine".