682918459 has 2 divisors, whose sum is σ = 682918460. Its totient is φ = 682918458.

The previous prime is 682918433. The next prime is 682918513. The reversal of 682918459 is 954819286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 682918459 - 2⁷ = 682918331 is a prime.

It is not a weakly prime, because it can be changed into another prime (682918759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341459229 + 341459230.

It is an arithmetic number, because the mean of its divisors is an integer number (341459230).

Almost surely, 2^682918459 is an apocalyptic number.

682918459 is a deficient number, since it is larger than the sum of its proper divisors (1).

682918459 is an equidigital number, since it uses as much as digits as its factorization.

682918459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 52.

The square root of 682918459 is about 26132.7086043525. The cubic root of 682918459 is about 880.6221749358.

The spelling of 682918459 in words is "six hundred eighty-two million, nine hundred eighteen thousand, four hundred fifty-nine".