682235813618 has 6 divisors (see below), whose sum is σ = 1023355472589. Its totient is φ = 341117322756.

The previous prime is 682235813603. The next prime is 682235813639. The reversal of 682235813618 is 816318532286.

It can be written as a sum of positive squares in 2 ways, for example, as 621964090609 + 60271723009 = 788647^2 + 245503^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=584053.

It is a Duffinian 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 682235813618.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 876080 + ... + 1460132.

Almost surely, 2^682235813618 is an apocalyptic number.

682235813618 is a deficient number, since it is larger than the sum of its proper divisors (341119658971).

682235813618 is an frugal number, since it uses more digits than its factorization.

682235813618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168108 (or 584055 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The spelling of 682235813618 in words is "six hundred eighty-two billion, two hundred thirty-five million, eight hundred thirteen thousand, six hundred eighteen".