853637009597 has 16 divisors (see below), whose sum is σ = 973548164160. Its totient is φ = 743436755712.

The previous prime is 853637009587. The next prime is 853637009609. The reversal of 853637009597 is 795900736358.

It is a cyclic number.

It is not a de Polignac number, because 853637009597 - 2²² = 853632815293 is a prime.

It is a super-2 number, since 2×853637009597² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853637009587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30716798 + ... + 30744575.

It is an arithmetic number, because the mean of its divisors is an integer number (60846760260).

Almost surely, 2^853637009597 is an apocalyptic number.

It is an amenable number.

853637009597 is a deficient number, since it is larger than the sum of its proper divisors (119911154563).

853637009597 is a wasteful number, since it uses less digits than its factorization.

853637009597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61461452.

The product of its (nonzero) digits is 42865200, while the sum is 62.

The spelling of 853637009597 in words is "eight hundred fifty-three billion, six hundred thirty-seven million, nine thousand, five hundred ninety-seven".