680385413 has 2 divisors, whose sum is σ = 680385414. Its totient is φ = 680385412.

The previous prime is 680385359. The next prime is 680385437. The reversal of 680385413 is 314583086.

680385413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454243969 + 226141444 = 21313^2 + 15038^2 .

It is a cyclic number.

It is not a de Polignac number, because 680385413 - 2¹⁰ = 680384389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680385913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340192706 + 340192707.

It is an arithmetic number, because the mean of its divisors is an integer number (340192707).

Almost surely, 2^680385413 is an apocalyptic number.

It is an amenable number.

680385413 is a deficient number, since it is larger than the sum of its proper divisors (1).

680385413 is an equidigital number, since it uses as much as digits as its factorization.

680385413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 680385413 is about 26084.1985309114. The cubic root of 680385413 is about 879.5320398492.

The spelling of 680385413 in words is "six hundred eighty million, three hundred eighty-five thousand, four hundred thirteen".