676753549 has 2 divisors, whose sum is σ = 676753550. Its totient is φ = 676753548.

The previous prime is 676753543. The next prime is 676753573. The reversal of 676753549 is 945357676.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347076900 + 329676649 = 18630^2 + 18157^2 .

It is a cyclic number.

It is not a de Polignac number, because 676753549 - 2⁹ = 676753037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 676753496 and 676753505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676753543) 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, 338376774 + 338376775.

It is an arithmetic number, because the mean of its divisors is an integer number (338376775).

Almost surely, 2^676753549 is an apocalyptic number.

It is an amenable number.

676753549 is a deficient number, since it is larger than the sum of its proper divisors (1).

676753549 is an equidigital number, since it uses as much as digits as its factorization.

676753549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 52.

The square root of 676753549 is about 26014.4872907386. The cubic root of 676753549 is about 877.9642806784.

The spelling of 676753549 in words is "six hundred seventy-six million, seven hundred fifty-three thousand, five hundred forty-nine".