9643514576868 has 36 divisors (see below), whose sum is σ = 24500401265340. Its totient is φ = 3198187573056.

The previous prime is 9643514576867. The next prime is 9643514576881. The reversal of 9643514576868 is 8686754153469.

9643514576868 is a `hidden beast` number, since 9 + 6 + 4 + 3 + 51 + 457 + 68 + 68 = 666.

9643514576868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6845716410624 + 2797798166244 = 2616432^2 + 1672662^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 9643514576796 and 9643514576805.

It is not an unprimeable number, because it can be changed into a prime (9643514576867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 679879723 + ... + 679893906.

It is an arithmetic number, because the mean of its divisors is an integer number (680566701815).

Almost surely, 2^{9643514576868} is an apocalyptic number.

It is an amenable number.

9643514576868 is an abundant number, since it is smaller than the sum of its proper divisors (14856886688472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9643514576868 is a wasteful number, since it uses less digits than its factorization.

9643514576868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359773836 (or 1359773831 counting only the distinct ones).

The product of its digits is 1045094400, while the sum is 72.

The spelling of 9643514576868 in words is "nine trillion, six hundred forty-three billion, five hundred fourteen million, five hundred seventy-six thousand, eight hundred sixty-eight".