99963638363 has 2 divisors, whose sum is σ = 99963638364. Its totient is φ = 99963638362.

The previous prime is 99963638353. The next prime is 99963638371. The reversal of 99963638363 is 36383636999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99963638363 - 2²⁰ = 99962589787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99963638363.

It is not a weakly prime, because it can be changed into another prime (99963638303) 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, 49981819181 + 49981819182.

It is an arithmetic number, because the mean of its divisors is an integer number (49981819182).

Almost surely, 2^99963638363 is an apocalyptic number.

99963638363 is a deficient number, since it is larger than the sum of its proper divisors (1).

99963638363 is an equidigital number, since it uses as much as digits as its factorization.

99963638363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102036672, while the sum is 65.

The spelling of 99963638363 in words is "ninety-nine billion, nine hundred sixty-three million, six hundred thirty-eight thousand, three hundred sixty-three".