685936670532 has 48 divisors (see below), whose sum is σ = 1739103744000. Its totient is φ = 209624107680.

The previous prime is 685936670479. The next prime is 685936670537. The reversal of 685936670532 is 235076639586.

It is not an unprimeable number, because it can be changed into a prime (685936670537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48517032 + ... + 48531167.

It is an arithmetic number, because the mean of its divisors is an integer number (36231328000).

Almost surely, 2^685936670532 is an apocalyptic number.

685936670532 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

685936670532 is an abundant number, since it is smaller than the sum of its proper divisors (1053167073468).

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

685936670532 is a wasteful number, since it uses less digits than its factorization.

685936670532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97048256 (or 97048254 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 60.

The spelling of 685936670532 in words is "six hundred eighty-five billion, nine hundred thirty-six million, six hundred seventy thousand, five hundred thirty-two".