676807013 has 2 divisors, whose sum is σ = 676807014. Its totient is φ = 676807012.

The previous prime is 676806953. The next prime is 676807063. The reversal of 676807013 is 310708676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659359684 + 17447329 = 25678^2 + 4177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676807013 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676807063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338403506 + 338403507.

It is an arithmetic number, because the mean of its divisors is an integer number (338403507).

Almost surely, 2^676807013 is an apocalyptic number.

It is an amenable number.

676807013 is a deficient number, since it is larger than the sum of its proper divisors (1).

676807013 is an equidigital number, since it uses as much as digits as its factorization.

676807013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 676807013 is about 26015.5148517188. The cubic root of 676807013 is about 877.9873999987.

The spelling of 676807013 in words is "six hundred seventy-six million, eight hundred seven thousand, thirteen".