685000486642 has 16 divisors (see below), whose sum is σ = 1101152371392. Its totient is φ = 318754632240.

The previous prime is 685000486631. The next prime is 685000486741. The reversal of 685000486642 is 246684000586.

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, 201232284 + ... + 201235687.

It is an arithmetic number, because the mean of its divisors is an integer number (68822023212).

Almost surely, 2^685000486642 is an apocalyptic number.

685000486642 is a deficient number, since it is larger than the sum of its proper divisors (416151884750).

685000486642 is a wasteful number, since it uses less digits than its factorization.

685000486642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402468033.

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 685000486642 in words is "six hundred eighty-five billion, four hundred eighty-six thousand, six hundred forty-two".