676016449 has 2 divisors, whose sum is σ = 676016450. Its totient is φ = 676016448.

The previous prime is 676016417. The next prime is 676016479. The reversal of 676016449 is 944610676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484000000 + 192016449 = 22000^2 + 13857^2 .

It is a cyclic number.

It is not a de Polignac number, because 676016449 - 2⁵ = 676016417 is a prime.

It is not a weakly prime, because it can be changed into another prime (676016479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338008224 + 338008225.

It is an arithmetic number, because the mean of its divisors is an integer number (338008225).

Almost surely, 2^676016449 is an apocalyptic number.

It is an amenable number.

676016449 is a deficient number, since it is larger than the sum of its proper divisors (1).

676016449 is an equidigital number, since it uses as much as digits as its factorization.

676016449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 676016449 is about 26000.3163249988. The cubic root of 676016449 is about 877.6454139527.

The spelling of 676016449 in words is "six hundred seventy-six million, sixteen thousand, four hundred forty-nine".