680253229009 has 2 divisors, whose sum is σ = 680253229010. Its totient is φ = 680253229008.

The previous prime is 680253229003. The next prime is 680253229021. The reversal of 680253229009 is 900922352086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680031129600 + 222099409 = 824640^2 + 14903^2 .

It is a cyclic number.

It is not a de Polignac number, because 680253229009 - 2²⁵ = 680219674577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 680253229009.

It is not a weakly prime, because it can be changed into another prime (680253229003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340126614504 + 340126614505.

It is an arithmetic number, because the mean of its divisors is an integer number (340126614505).

Almost surely, 2^680253229009 is an apocalyptic number.

It is an amenable number.

680253229009 is a deficient number, since it is larger than the sum of its proper divisors (1).

680253229009 is an equidigital number, since it uses as much as digits as its factorization.

680253229009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 680253229009 in words is "six hundred eighty billion, two hundred fifty-three million, two hundred twenty-nine thousand, nine".