9910688689 has 8 divisors (see below), whose sum is σ = 10823915232. Its totient is φ = 8999504640.

The previous prime is 9910688677. The next prime is 9910688729. The reversal of 9910688689 is 9868860199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9910688689 - 2⁵ = 9910688657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9910688689.

It is not an unprimeable number, because it can be changed into a prime (9910688789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500464 + ... + 519889.

It is an arithmetic number, because the mean of its divisors is an integer number (1352989404).

Almost surely, 2^9910688689 is an apocalyptic number.

It is an amenable number.

9910688689 is a deficient number, since it is larger than the sum of its proper divisors (913226543).

9910688689 is a wasteful number, since it uses less digits than its factorization.

9910688689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021247.

The product of its (nonzero) digits is 13436928, while the sum is 64.

The square root of 9910688689 is about 99552.4419037524. The cubic root of 9910688689 is about 2148.0016542016.

The spelling of 9910688689 in words is "nine billion, nine hundred ten million, six hundred eighty-eight thousand, six hundred eighty-nine".