9868668689 has 16 divisors (see below), whose sum is σ = 11202935040. Its totient is φ = 8614329360.

The previous prime is 9868668653. The next prime is 9868668701.

9868668689 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9868668689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9868668629) 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, 148907 + ... + 204720.

It is an arithmetic number, because the mean of its divisors is an integer number (700183440).

Almost surely, 2^9868668689 is an apocalyptic number.

It is an amenable number.

9868668689 is a deficient number, since it is larger than the sum of its proper divisors (1334266351).

9868668689 is a wasteful number, since it uses less digits than its factorization.

9868668689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353740.

The product of its digits is 429981696, while the sum is 74.

The square root of 9868668689 is about 99341.1731811136. The cubic root of 9868668689 is about 2144.9616067083.

The spelling of 9868668689 in words is "nine billion, eight hundred sixty-eight million, six hundred sixty-eight thousand, six hundred eighty-nine".