8639042253589 has 8 divisors (see below), whose sum is σ = 9557147897280. Its totient is φ = 7743059637600.

The previous prime is 8639042253577. The next prime is 8639042253593. The reversal of 8639042253589 is 9853522409368.

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 8639042253589 - 2⁹ = 8639042253077 is a prime.

It is a super-2 number, since 2×8639042253589² (a number of 27 digits) contains 22 as substring.

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 8639042253589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8639042253539) 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, 5530756104 + ... + 5530757665.

It is an arithmetic number, because the mean of its divisors is an integer number (1194643487160).

Almost surely, 2^{8639042253589} is an apocalyptic number.

It is an amenable number.

8639042253589 is a deficient number, since it is larger than the sum of its proper divisors (918105643691).

8639042253589 is a wasteful number, since it uses less digits than its factorization.

8639042253589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061513851.

The product of its (nonzero) digits is 111974400, while the sum is 64.

The spelling of 8639042253589 in words is "eight trillion, six hundred thirty-nine billion, forty-two million, two hundred fifty-three thousand, five hundred eighty-nine".