630965449 has 2 divisors, whose sum is σ = 630965450. Its totient is φ = 630965448.

The previous prime is 630965407. The next prime is 630965473. The reversal of 630965449 is 944569036.

630965449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483780025 + 147185424 = 21995^2 + 12132^2 .

It is a cyclic number.

It is not a de Polignac number, because 630965449 - 2⁹ = 630964937 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 630965399 and 630965408.

It is not a weakly prime, because it can be changed into another prime (630915449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315482724 + 315482725.

It is an arithmetic number, because the mean of its divisors is an integer number (315482725).

Almost surely, 2^630965449 is an apocalyptic number.

It is an amenable number.

630965449 is a deficient number, since it is larger than the sum of its proper divisors (1).

630965449 is an equidigital number, since it uses as much as digits as its factorization.

630965449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 630965449 is about 25119.0256379502. The cubic root of 630965449 is about 857.6995708854.

The spelling of 630965449 in words is "six hundred thirty million, nine hundred sixty-five thousand, four hundred forty-nine".