9982518689 has 16 divisors (see below), whose sum is σ = 11750840640. Its totient is φ = 8360420160.

The previous prime is 9982518653. The next prime is 9982518691. The reversal of 9982518689 is 9868152899.

It is a cyclic number.

It is not a de Polignac number, because 9982518689 - 2²⁰ = 9981470113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9982518089) 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, 4214 + ... + 141360.

It is an arithmetic number, because the mean of its divisors is an integer number (734427540).

Almost surely, 2^9982518689 is an apocalyptic number.

It is an amenable number.

9982518689 is a deficient number, since it is larger than the sum of its proper divisors (1768321951).

9982518689 is a wasteful number, since it uses less digits than its factorization.

9982518689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137680.

The product of its digits is 22394880, while the sum is 65.

The square root of 9982518689 is about 99912.5552120453. Note that the first 3 decimals coincide. The cubic root of 9982518689 is about 2153.1785463512.

The spelling of 9982518689 in words is "nine billion, nine hundred eighty-two million, five hundred eighteen thousand, six hundred eighty-nine".