99613900931699 has 16 divisors (see below), whose sum is σ = 124194189509376. Its totient is φ = 77621074567200.

The previous prime is 99613900931669. The next prime is 99613900931719.

99613900931699 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 99613900931699 - 2¹⁶ = 99613900866163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99613900931659) 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, 58525769 + ... + 60203765.

It is an arithmetic number, because the mean of its divisors is an integer number (7762136844336).

Almost surely, 2^{99613900931699} is an apocalyptic number.

99613900931699 is a deficient number, since it is larger than the sum of its proper divisors (24580288577677).

99613900931699 is a wasteful number, since it uses less digits than its factorization.

99613900931699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448986.

The product of its (nonzero) digits is 172186884, while the sum is 74.

The spelling of 99613900931699 in words is "ninety-nine trillion, six hundred thirteen billion, nine hundred million, nine hundred thirty-one thousand, six hundred ninety-nine".