630341449 has 2 divisors, whose sum is σ = 630341450. Its totient is φ = 630341448.

The previous prime is 630341407. The next prime is 630341483. The reversal of 630341449 is 944143036.

630341449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (630341483) can be obtained adding 630341449 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 593799424 + 36542025 = 24368^2 + 6045^2 .

It is a cyclic number.

It is not a de Polignac number, because 630341449 - 2⁹ = 630340937 is a prime.

It is not a weakly prime, because it can be changed into another prime (630341489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315170724 + 315170725.

It is an arithmetic number, because the mean of its divisors is an integer number (315170725).

Almost surely, 2^630341449 is an apocalyptic number.

It is an amenable number.

630341449 is a deficient number, since it is larger than the sum of its proper divisors (1).

630341449 is an equidigital number, since it uses as much as digits as its factorization.

630341449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 630341449 is about 25106.6017015446. The cubic root of 630341449 is about 857.4167339186.

The spelling of 630341449 in words is "six hundred thirty million, three hundred forty-one thousand, four hundred forty-nine".