685000486650 has 48 divisors (see below), whose sum is σ = 1703533377600. Its totient is φ = 182157960960.

The previous prime is 685000486631. The next prime is 685000486741. The reversal of 685000486650 is 56684000586.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 685000486650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6306415 + ... + 6414114.

It is an arithmetic number, because the mean of its divisors is an integer number (35490278700).

Almost surely, 2^685000486650 is an apocalyptic number.

685000486650 is an abundant number, since it is smaller than the sum of its proper divisors (1018532890950).

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

685000486650 is a wasteful number, since it uses less digits than its factorization.

685000486650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720903 (or 12720898 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 685000486650 in words is "six hundred eighty-five billion, four hundred eighty-six thousand, six hundred fifty".