676443344741 has 2 divisors, whose sum is σ = 676443344742. Its totient is φ = 676443344740.

The previous prime is 676443344671. The next prime is 676443344789. The reversal of 676443344741 is 147443344676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664371708100 + 12071636641 = 815090^2 + 109871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676443344741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676443344141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338221672370 + 338221672371.

It is an arithmetic number, because the mean of its divisors is an integer number (338221672371).

Almost surely, 2^676443344741 is an apocalyptic number.

It is an amenable number.

676443344741 is a deficient number, since it is larger than the sum of its proper divisors (1).

676443344741 is an equidigital number, since it uses as much as digits as its factorization.

676443344741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 53.

The spelling of 676443344741 in words is "six hundred seventy-six billion, four hundred forty-three million, three hundred forty-four thousand, seven hundred forty-one".