680006073435701 has 2 divisors, whose sum is σ = 680006073435702. Its totient is φ = 680006073435700.

The previous prime is 680006073435613. The next prime is 680006073435743. The reversal of 680006073435701 is 107534370600086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659490699663601 + 20515373772100 = 25680551^2 + 4529390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680006073435701 is a prime.

It is a super-2 number, since 2×680006073435701² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 680006073435701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680006073435301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340003036717850 + 340003036717851.

It is an arithmetic number, because the mean of its divisors is an integer number (340003036717851).

Almost surely, 2^{680006073435701} is an apocalyptic number.

It is an amenable number.

680006073435701 is a deficient number, since it is larger than the sum of its proper divisors (1).

680006073435701 is an equidigital number, since it uses as much as digits as its factorization.

680006073435701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 680006073435701 in words is "six hundred eighty trillion, six billion, seventy-three million, four hundred thirty-five thousand, seven hundred one".