676480349 has 2 divisors, whose sum is σ = 676480350. Its totient is φ = 676480348.

The previous prime is 676480339. The next prime is 676480421. The reversal of 676480349 is 943084676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580087225 + 96393124 = 24085^2 + 9818^2 .

It is a cyclic number.

It is not a de Polignac number, because 676480349 - 2¹⁶ = 676414813 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 (676480309) 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, 338240174 + 338240175.

It is an arithmetic number, because the mean of its divisors is an integer number (338240175).

Almost surely, 2^676480349 is an apocalyptic number.

It is an amenable number.

676480349 is a deficient number, since it is larger than the sum of its proper divisors (1).

676480349 is an equidigital number, since it uses as much as digits as its factorization.

676480349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 676480349 is about 26009.2358403702. The cubic root of 676480349 is about 877.8461223889.

The spelling of 676480349 in words is "six hundred seventy-six million, four hundred eighty thousand, three hundred forty-nine".