676744813 has 2 divisors, whose sum is σ = 676744814. Its totient is φ = 676744812.

The previous prime is 676744799. The next prime is 676744883. The reversal of 676744813 is 318447676.

676744813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 676676169 + 68644 = 26013^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 676744813 - 2⁵ = 676744781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676744883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338372406 + 338372407.

It is an arithmetic number, because the mean of its divisors is an integer number (338372407).

Almost surely, 2^676744813 is an apocalyptic number.

It is an amenable number.

676744813 is a deficient number, since it is larger than the sum of its proper divisors (1).

676744813 is an equidigital number, since it uses as much as digits as its factorization.

676744813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 676744813 is about 26014.3193837548. The cubic root of 676744813 is about 877.9605028733.

The spelling of 676744813 in words is "six hundred seventy-six million, seven hundred forty-four thousand, eight hundred thirteen".