676544441 has 2 divisors, whose sum is σ = 676544442. Its totient is φ = 676544440.

The previous prime is 676544437. The next prime is 676544507. The reversal of 676544441 is 144445676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428324416 + 248220025 = 20696^2 + 15755^2 .

It is a cyclic number.

It is not a de Polignac number, because 676544441 - 2² = 676544437 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (676544431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338272220 + 338272221.

It is an arithmetic number, because the mean of its divisors is an integer number (338272221).

Almost surely, 2^676544441 is an apocalyptic number.

It is an amenable number.

676544441 is a deficient number, since it is larger than the sum of its proper divisors (1).

676544441 is an equidigital number, since it uses as much as digits as its factorization.

676544441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 41.

The square root of 676544441 is about 26010.4679119773. The cubic root of 676544441 is about 877.8738448680.

The spelling of 676544441 in words is "six hundred seventy-six million, five hundred forty-four thousand, four hundred forty-one".