685536038814 has 64 divisors (see below), whose sum is σ = 1583830298880. Its totient is φ = 195501995520.

The previous prime is 685536038713. The next prime is 685536038827. The reversal of 685536038814 is 418830635586.

It is a super-2 number, since 2×685536038814² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21648877 + ... + 21680519.

It is an arithmetic number, because the mean of its divisors is an integer number (24747348420).

Almost surely, 2^685536038814 is an apocalyptic number.

685536038814 is an abundant number, since it is smaller than the sum of its proper divisors (898294260066).

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

685536038814 is a wasteful number, since it uses less digits than its factorization.

685536038814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50985.

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 685536038814 in words is "six hundred eighty-five billion, five hundred thirty-six million, thirty-eight thousand, eight hundred fourteen".