99613849625 has 16 divisors (see below), whose sum is σ = 126173588736. Its totient is φ = 78501654000.

The previous prime is 99613849603. The next prime is 99613849631. The reversal of 99613849625 is 52694831699.

It is not a de Polignac number, because 99613849625 - 2²⁰ = 99612801049 is a prime.

It is a super-2 number, since 2×99613849625² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5938721 + ... + 5955470.

It is an arithmetic number, because the mean of its divisors is an integer number (7885849296).

Almost surely, 2^99613849625 is an apocalyptic number.

It is an amenable number.

99613849625 is a deficient number, since it is larger than the sum of its proper divisors (26559739111).

99613849625 is a wasteful number, since it uses less digits than its factorization.

99613849625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11894273 (or 11894263 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 62.

The spelling of 99613849625 in words is "ninety-nine billion, six hundred thirteen million, eight hundred forty-nine thousand, six hundred twenty-five".