686283438244 has 12 divisors (see below), whose sum is σ = 1201003277824. Its totient is φ = 343139644584.

The previous prime is 686283438233. The next prime is 686283438311. The reversal of 686283438244 is 442834382686.

It is a happy 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, 410737 + ... + 1241479.

Almost surely, 2^686283438244 is an apocalyptic number.

It is an amenable number.

686283438244 is a deficient number, since it is larger than the sum of its proper divisors (514719839580).

686283438244 is a wasteful number, since it uses less digits than its factorization.

686283438244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037274 (or 1037272 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 58.

The spelling of 686283438244 in words is "six hundred eighty-six billion, two hundred eighty-three million, four hundred thirty-eight thousand, two hundred forty-four".