680713199 has 2 divisors, whose sum is σ = 680713200. Its totient is φ = 680713198.

The previous prime is 680713181. The next prime is 680713223. The reversal of 680713199 is 991317086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 680713199 - 2¹² = 680709103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680713109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340356599 + 340356600.

It is an arithmetic number, because the mean of its divisors is an integer number (340356600).

Almost surely, 2^680713199 is an apocalyptic number.

680713199 is a deficient number, since it is larger than the sum of its proper divisors (1).

680713199 is an equidigital number, since it uses as much as digits as its factorization.

680713199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 680713199 is about 26090.4810036151. The cubic root of 680713199 is about 879.6732598101.

The spelling of 680713199 in words is "six hundred eighty million, seven hundred thirteen thousand, one hundred ninety-nine".