10639989297 has 24 divisors (see below), whose sum is σ = 17938142976. Its totient is φ = 5950630656.

The previous prime is 10639989289. The next prime is 10639989319. The reversal of 10639989297 is 79298993601.

It is a happy number.

It is not a de Polignac number, because 10639989297 - 2³ = 10639989289 is a prime.

It is a super-2 number, since 2×10639989297² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (10639989277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1793728 + ... + 1799649.

It is an arithmetic number, because the mean of its divisors is an integer number (747422624).

Almost surely, 2^10639989297 is an apocalyptic number.

It is an amenable number.

10639989297 is a deficient number, since it is larger than the sum of its proper divisors (7298153679).

10639989297 is a wasteful number, since it uses less digits than its factorization.

10639989297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593437 (or 3593434 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 63.

The spelling of 10639989297 in words is "ten billion, six hundred thirty-nine million, nine hundred eighty-nine thousand, two hundred ninety-seven".