99397632613 has 2 divisors, whose sum is σ = 99397632614. Its totient is φ = 99397632612.

The previous prime is 99397632569. The next prime is 99397632619. The reversal of 99397632613 is 31623679399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74263335169 + 25134297444 = 272513^2 + 158538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99397632613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99397632619) 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, 49698816306 + 49698816307.

It is an arithmetic number, because the mean of its divisors is an integer number (49698816307).

Almost surely, 2^99397632613 is an apocalyptic number.

It is an amenable number.

99397632613 is a deficient number, since it is larger than the sum of its proper divisors (1).

99397632613 is an equidigital number, since it uses as much as digits as its factorization.

99397632613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9920232, while the sum is 58.

The spelling of 99397632613 in words is "ninety-nine billion, three hundred ninety-seven million, six hundred thirty-two thousand, six hundred thirteen".