9639112414864 has 15 divisors (see below), whose sum is σ = 18675804365193. Its totient is φ = 4819549998048.

The previous prime is 9639112414781. The next prime is 9639112414873. The reversal of 9639112414864 is 4684142119369.

It is a happy number.

The square root of 9639112414864 is 3104692.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5293588608400 + 4345523806464 = 2300780^2 + 2084592^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9639112414799 and 9639112414808.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12030682 + ... + 12806854.

Almost surely, 2^{9639112414864} is an apocalyptic number.

9639112414864 is the 3104692-nd square number.

It is an amenable number.

9639112414864 is a deficient number, since it is larger than the sum of its proper divisors (9036691950329).

9639112414864 is an frugal number, since it uses more digits than its factorization.

9639112414864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552354 (or 776175 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 58.

The spelling of 9639112414864 in words is "nine trillion, six hundred thirty-nine billion, one hundred twelve million, four hundred fourteen thousand, eight hundred sixty-four".