680587415633 has 2 divisors, whose sum is σ = 680587415634. Its totient is φ = 680587415632.

The previous prime is 680587415609. The next prime is 680587415647. The reversal of 680587415633 is 336514785086.

680587415633 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., 461140139329 + 219447276304 = 679073^2 + 468452^2 .

It is a cyclic number.

It is not a de Polignac number, because 680587415633 - 2¹⁶ = 680587350097 is a prime.

It is not a weakly prime, because it can be changed into another prime (680587465633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340293707816 + 340293707817.

It is an arithmetic number, because the mean of its divisors is an integer number (340293707817).

Almost surely, 2^680587415633 is an apocalyptic number.

It is an amenable number.

680587415633 is a deficient number, since it is larger than the sum of its proper divisors (1).

680587415633 is an equidigital number, since it uses as much as digits as its factorization.

680587415633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 680587415633 in words is "six hundred eighty billion, five hundred eighty-seven million, four hundred fifteen thousand, six hundred thirty-three".