685242634696 has 64 divisors (see below), whose sum is σ = 1343192140800. Its totient is φ = 327400538112.

The previous prime is 685242634649. The next prime is 685242634729. The reversal of 685242634696 is 696436242586.

685242634696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18965320 + ... + 19001416.

It is an arithmetic number, because the mean of its divisors is an integer number (20987377200).

Almost surely, 2^685242634696 is an apocalyptic number.

It is an amenable number.

685242634696 is a deficient number, since it is larger than the sum of its proper divisors (657949506104).

685242634696 is a wasteful number, since it uses less digits than its factorization.

685242634696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37286 (or 37282 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 61.

The spelling of 685242634696 in words is "six hundred eighty-five billion, two hundred forty-two million, six hundred thirty-four thousand, six hundred ninety-six".