9099216999 has 16 divisors (see below), whose sum is σ = 13915171840. Its totient is φ = 5870462040.

The previous prime is 9099216991. The next prime is 9099217007. The reversal of 9099216999 is 9996129909.

It is an interprime number because it is at equal distance from previous prime (9099216991) and next prime (9099217007).

It is not a de Polignac number, because 9099216999 - 2³ = 9099216991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9099216991) 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, 5434777 + ... + 5436450.

It is an arithmetic number, because the mean of its divisors is an integer number (869698240).

Almost surely, 2^9099216999 is an apocalyptic number.

9099216999 is a deficient number, since it is larger than the sum of its proper divisors (4815954841).

9099216999 is a wasteful number, since it uses less digits than its factorization.

9099216999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10871267 (or 10871261 counting only the distinct ones).

The product of its (nonzero) digits is 6377292, while the sum is 63.

The square root of 9099216999 is about 95389.8160130315. The cubic root of 9099216999 is about 2087.6995971745.

The spelling of 9099216999 in words is "nine billion, ninety-nine million, two hundred sixteen thousand, nine hundred ninety-nine".