680101073 has 2 divisors, whose sum is σ = 680101074. Its totient is φ = 680101072.

The previous prime is 680101063. The next prime is 680101109. The reversal of 680101073 is 370101086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633629584 + 46471489 = 25172^2 + 6817^2 .

It is a cyclic number.

It is not a de Polignac number, because 680101073 - 2⁴ = 680101057 is a prime.

It is not a weakly prime, because it can be changed into another prime (680101043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340050536 + 340050537.

It is an arithmetic number, because the mean of its divisors is an integer number (340050537).

Almost surely, 2^680101073 is an apocalyptic number.

It is an amenable number.

680101073 is a deficient number, since it is larger than the sum of its proper divisors (1).

680101073 is an equidigital number, since it uses as much as digits as its factorization.

680101073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 680101073 is about 26078.7475351099. The cubic root of 680101073 is about 879.4095009757.

The spelling of 680101073 in words is "six hundred eighty million, one hundred one thousand, seventy-three".