685473808374586 has 16 divisors (see below), whose sum is σ = 1281925044233280. Its totient is φ = 267067717548480.

The previous prime is 685473808374557. The next prime is 685473808374601.

685473808374586 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225564312751 + ... + 2225564313058.

It is an arithmetic number, because the mean of its divisors is an integer number (80120315264580).

Almost surely, 2^{685473808374586} is an apocalyptic number.

685473808374586 is a deficient number, since it is larger than the sum of its proper divisors (596451235858694).

685473808374586 is a wasteful number, since it uses less digits than its factorization.

685473808374586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451128625829.

The product of its (nonzero) digits is 26011238400, while the sum is 82.

The spelling of 685473808374586 in words is "six hundred eighty-five trillion, four hundred seventy-three billion, eight hundred eight million, three hundred seventy-four thousand, five hundred eighty-six".