99634665113 has 2 divisors, whose sum is σ = 99634665114. Its totient is φ = 99634665112.

The previous prime is 99634665089. The next prime is 99634665197. The reversal of 99634665113 is 31156643699.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99368061529 + 266603584 = 315227^2 + 16328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99634665113 is a prime.

It is not a weakly prime, because it can be changed into another prime (99634665413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49817332556 + 49817332557.

It is an arithmetic number, because the mean of its divisors is an integer number (49817332557).

Almost surely, 2^99634665113 is an apocalyptic number.

It is an amenable number.

99634665113 is a deficient number, since it is larger than the sum of its proper divisors (1).

99634665113 is an equidigital number, since it uses as much as digits as its factorization.

99634665113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3149280, while the sum is 53.

The spelling of 99634665113 in words is "ninety-nine billion, six hundred thirty-four million, six hundred sixty-five thousand, one hundred thirteen".