853688251039 has 12 divisors (see below), whose sum is σ = 970290465816. Its totient is φ = 746545187088.

The previous prime is 853688251033. The next prime is 853688251043. The reversal of 853688251039 is 930152886358.

It is not a de Polignac number, because 853688251039 - 2³¹ = 851540767391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853688251033) 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, 90948669 + ... + 90958054.

It is an arithmetic number, because the mean of its divisors is an integer number (80857538818).

Almost surely, 2^853688251039 is an apocalyptic number.

853688251039 is a deficient number, since it is larger than the sum of its proper divisors (116602214777).

853688251039 is a wasteful number, since it uses less digits than its factorization.

853688251039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181906774 (or 181906755 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 853688251039 in words is "eight hundred fifty-three billion, six hundred eighty-eight million, two hundred fifty-one thousand, thirty-nine".