9975398413 has 2 divisors, whose sum is σ = 9975398414. Its totient is φ = 9975398412.

The previous prime is 9975398383. The next prime is 9975398429. The reversal of 9975398413 is 3148935799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8273175849 + 1702222564 = 90957^2 + 41258^2 .

It is a cyclic number.

It is not a de Polignac number, because 9975398413 - 2²⁵ = 9941843981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9975398443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4987699206 + 4987699207.

It is an arithmetic number, because the mean of its divisors is an integer number (4987699207).

Almost surely, 2^9975398413 is an apocalyptic number.

It is an amenable number.

9975398413 is a deficient number, since it is larger than the sum of its proper divisors (1).

9975398413 is an equidigital number, since it uses as much as digits as its factorization.

9975398413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 58.

The square root of 9975398413 is about 99876.9163170349. The cubic root of 9975398413 is about 2152.6664888042. Note that the first 3 decimals are identical.

The spelling of 9975398413 in words is "nine billion, nine hundred seventy-five million, three hundred ninety-eight thousand, four hundred thirteen".