685950682694 has 8 divisors (see below), whose sum is σ = 1052854536360. Its totient is φ = 334999170576.

The previous prime is 685950682657. The next prime is 685950682723. The reversal of 685950682694 is 496286059586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3988085279 + ... + 3988085450.

It is an arithmetic number, because the mean of its divisors is an integer number (131606817045).

Almost surely, 2^685950682694 is an apocalyptic number.

685950682694 is a deficient number, since it is larger than the sum of its proper divisors (366903853666).

685950682694 is a wasteful number, since it uses less digits than its factorization.

685950682694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976170774.

The product of its (nonzero) digits is 223948800, while the sum is 68.

The spelling of 685950682694 in words is "six hundred eighty-five billion, nine hundred fifty million, six hundred eighty-two thousand, six hundred ninety-four".