676722256213 has 2 divisors, whose sum is σ = 676722256214. Its totient is φ = 676722256212.

The previous prime is 676722256183. The next prime is 676722256253. The reversal of 676722256213 is 312652227676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528584253444 + 148138002769 = 727038^2 + 384887^2 .

It is a cyclic number.

It is not a de Polignac number, because 676722256213 - 2⁵ = 676722256181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676722256253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338361128106 + 338361128107.

It is an arithmetic number, because the mean of its divisors is an integer number (338361128107).

Almost surely, 2^676722256213 is an apocalyptic number.

It is an amenable number.

676722256213 is a deficient number, since it is larger than the sum of its proper divisors (1).

676722256213 is an equidigital number, since it uses as much as digits as its factorization.

676722256213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 49.

The spelling of 676722256213 in words is "six hundred seventy-six billion, seven hundred twenty-two million, two hundred fifty-six thousand, two hundred thirteen".