680107193 has 2 divisors, whose sum is σ = 680107194. Its totient is φ = 680107192.

The previous prime is 680107189. The next prime is 680107199. The reversal of 680107193 is 391701086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 594969664 + 85137529 = 24392^2 + 9227^2 .

It is a cyclic number.

It is not a de Polignac number, because 680107193 - 2² = 680107189 is a prime.

It is not a weakly prime, because it can be changed into another prime (680107199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340053596 + 340053597.

It is an arithmetic number, because the mean of its divisors is an integer number (340053597).

Almost surely, 2^680107193 is an apocalyptic number.

It is an amenable number.

680107193 is a deficient number, since it is larger than the sum of its proper divisors (1).

680107193 is an equidigital number, since it uses as much as digits as its factorization.

680107193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 680107193 is about 26078.8648717692. The cubic root of 680107193 is about 879.4121388042.

The spelling of 680107193 in words is "six hundred eighty million, one hundred seven thousand, one hundred ninety-three".