9917032099 has 4 divisors (see below), whose sum is σ = 10679880736. Its totient is φ = 9154183464.

The previous prime is 9917032087. The next prime is 9917032123. The reversal of 9917032099 is 9902307199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9902307199 = 461 ⋅21480059.

It is a cyclic number.

It is not a de Polignac number, because 9917032099 - 2¹¹ = 9917030051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9917032799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381424299 + ... + 381424324.

It is an arithmetic number, because the mean of its divisors is an integer number (2669970184).

Almost surely, 2^9917032099 is an apocalyptic number.

9917032099 is a deficient number, since it is larger than the sum of its proper divisors (762848637).

9917032099 is a wasteful number, since it uses less digits than its factorization.

9917032099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762848636.

The product of its (nonzero) digits is 275562, while the sum is 49.

The square root of 9917032099 is about 99584.2964477834. The cubic root of 9917032099 is about 2148.4598379386.

The spelling of 9917032099 in words is "nine billion, nine hundred seventeen million, thirty-two thousand, ninety-nine".