9899913475 has 12 divisors (see below), whose sum is σ = 12277812136. Its totient is φ = 7918692480.

The previous prime is 9899913451. The next prime is 9899913493. The reversal of 9899913475 is 5743199989.

It is not a de Polignac number, because 9899913475 - 2⁹ = 9899912963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153739 + ... + 208411.

Almost surely, 2^9899913475 is an apocalyptic number.

9899913475 is a deficient number, since it is larger than the sum of its proper divisors (2377898661).

9899913475 is a wasteful number, since it uses less digits than its factorization.

9899913475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61926 (or 61921 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 64.

The square root of 9899913475 is about 99498.3089052271. The cubic root of 9899913475 is about 2147.2229134787. Note that the first 3 decimals are identical.

The spelling of 9899913475 in words is "nine billion, eight hundred ninety-nine million, nine hundred thirteen thousand, four hundred seventy-five".