682718025646986 has 64 divisors (see below), whose sum is σ = 1561144761566208. Its totient is φ = 194981502175488.

The previous prime is 682718025646981. The next prime is 682718025646997. The reversal of 682718025646986 is 689646520817286.

It is a super-2 number, since 2×682718025646986² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (682718025646981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1498265461 + ... + 1498721063.

It is an arithmetic number, because the mean of its divisors is an integer number (24392886899472).

Almost surely, 2^{682718025646986} is an apocalyptic number.

682718025646986 is an abundant number, since it is smaller than the sum of its proper divisors (878426735919222).

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

682718025646986 is a wasteful number, since it uses less digits than its factorization.

682718025646986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470315.

The product of its (nonzero) digits is 3344302080, while the sum is 78.

The spelling of 682718025646986 in words is "six hundred eighty-two trillion, seven hundred eighteen billion, twenty-five million, six hundred forty-six thousand, nine hundred eighty-six".