685433334586 has 64 divisors (see below), whose sum is σ = 1392670008576. Its totient is φ = 244327910400.

The previous prime is 685433334533. The next prime is 685433334587.

685433334586 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 685433334586.

It is not an unprimeable number, because it can be changed into a prime (685433334587) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1288705 + ... + 1741156.

It is an arithmetic number, because the mean of its divisors is an integer number (21760468884).

Almost surely, 2^685433334586 is an apocalyptic number.

685433334586 is an abundant number, since it is smaller than the sum of its proper divisors (707236673990).

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

685433334586 is a wasteful number, since it uses less digits than its factorization.

685433334586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030007.

The product of its digits is 74649600, while the sum is 58.

The spelling of 685433334586 in words is "six hundred eighty-five billion, four hundred thirty-three million, three hundred thirty-four thousand, five hundred eighty-six".