99629681613 has 32 divisors (see below), whose sum is σ = 165702620160. Its totient is φ = 51729288960.

The previous prime is 99629681603. The next prime is 99629681621. The reversal of 99629681613 is 31618692699.

It is not a de Polignac number, because 99629681613 - 2⁹ = 99629681101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99629681603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348181 + ... + 566117.

It is an arithmetic number, because the mean of its divisors is an integer number (5178206880).

Almost surely, 2^99629681613 is an apocalyptic number.

It is an amenable number.

99629681613 is a deficient number, since it is larger than the sum of its proper divisors (66072938547).

99629681613 is a wasteful number, since it uses less digits than its factorization.

99629681613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219937.

The product of its digits is 7558272, while the sum is 60.

The spelling of 99629681613 in words is "ninety-nine billion, six hundred twenty-nine million, six hundred eighty-one thousand, six hundred thirteen".