685836944610 has 16 divisors (see below), whose sum is σ = 1646008667136. Its totient is φ = 182889851888.

The previous prime is 685836944591. The next prime is 685836944621. The reversal of 685836944610 is 16449638586.

685836944610 is digitally balanced in base 2 and base 4, because in such bases 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 7 ways as a sum of consecutive naturals, for example, 11430615714 + ... + 11430615773.

It is an arithmetic number, because the mean of its divisors is an integer number (102875541696).

Almost surely, 2^685836944610 is an apocalyptic number.

685836944610 is an abundant number, since it is smaller than the sum of its proper divisors (960171722526).

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

685836944610 is a wasteful number, since it uses less digits than its factorization.

685836944610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22861231497.

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 685836944610 in words is "six hundred eighty-five billion, eight hundred thirty-six million, nine hundred forty-four thousand, six hundred ten".