676443344671 has 2 divisors, whose sum is σ = 676443344672. Its totient is φ = 676443344670.

The previous prime is 676443344663. The next prime is 676443344741. The reversal of 676443344671 is 176443344676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 676443344671 - 2³ = 676443344663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676443344611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338221672335 + 338221672336.

It is an arithmetic number, because the mean of its divisors is an integer number (338221672336).

Almost surely, 2^676443344671 is an apocalyptic number.

676443344671 is a deficient number, since it is larger than the sum of its proper divisors (1).

676443344671 is an equidigital number, since it uses as much as digits as its factorization.

676443344671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24385536, while the sum is 55.

The spelling of 676443344671 in words is "six hundred seventy-six billion, four hundred forty-three million, three hundred forty-four thousand, six hundred seventy-one".