8653517439868 has 18 divisors (see below), whose sum is σ = 17616089074416. Its totient is φ = 3708650331288.

The previous prime is 8653517439851. The next prime is 8653517439913. The reversal of 8653517439868 is 8689347153568.

It is a self number, because there is not a number n which added to its sum of digits gives 8653517439868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22075299396 + ... + 22075299787.

Almost surely, 2^{8653517439868} is an apocalyptic number.

It is an amenable number.

8653517439868 is an abundant number, since it is smaller than the sum of its proper divisors (8962571634548).

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

8653517439868 is a wasteful number, since it uses less digits than its factorization.

8653517439868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44150599201 (or 44150599192 counting only the distinct ones).

The product of its digits is 1045094400, while the sum is 73.

The spelling of 8653517439868 in words is "eight trillion, six hundred fifty-three billion, five hundred seventeen million, four hundred thirty-nine thousand, eight hundred sixty-eight".