99635599553699 has 16 divisors (see below), whose sum is σ = 110986582479840. Its totient is φ = 88684930575360.

The previous prime is 99635599553671. The next prime is 99635599553713.

99635599553699 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 99635599553699 - 2⁸ = 99635599553443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99635599553099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452733794 + ... + 452953815.

It is an arithmetic number, because the mean of its divisors is an integer number (6936661404990).

Almost surely, 2^{99635599553699} is an apocalyptic number.

99635599553699 is a deficient number, since it is larger than the sum of its proper divisors (11350982926141).

99635599553699 is a wasteful number, since it uses less digits than its factorization.

99635599553699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905687830.

The product of its digits is 107616802500, while the sum is 92.

The spelling of 99635599553699 in words is "ninety-nine trillion, six hundred thirty-five billion, five hundred ninety-nine million, five hundred fifty-three thousand, six hundred ninety-nine".