682809393651863 has 2 divisors, whose sum is σ = 682809393651864. Its totient is φ = 682809393651862.

The previous prime is 682809393651857. The next prime is 682809393651907. The reversal of 682809393651863 is 368156393908286.

682809393651863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 682809393651863 - 2⁸ = 682809393651607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682809393650863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341404696825931 + 341404696825932.

It is an arithmetic number, because the mean of its divisors is an integer number (341404696825932).

Almost surely, 2^{682809393651863} is an apocalyptic number.

682809393651863 is a deficient number, since it is larger than the sum of its proper divisors (1).

682809393651863 is an equidigital number, since it uses as much as digits as its factorization.

682809393651863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2418647040, while the sum is 77.

The spelling of 682809393651863 in words is "six hundred eighty-two trillion, eight hundred nine billion, three hundred ninety-three million, six hundred fifty-one thousand, eight hundred sixty-three".