448938709 has 2 divisors, whose sum is σ = 448938710. Its totient is φ = 448938708.

The previous prime is 448938691. The next prime is 448938719. The reversal of 448938709 is 907839844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327718609 + 121220100 = 18103^2 + 11010^2 .

It is a cyclic number.

It is not a de Polignac number, because 448938709 - 2²¹ = 446841557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448938719) 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, 224469354 + 224469355.

It is an arithmetic number, because the mean of its divisors is an integer number (224469355).

Almost surely, 2^448938709 is an apocalyptic number.

It is an amenable number.

448938709 is a deficient number, since it is larger than the sum of its proper divisors (1).

448938709 is an equidigital number, since it uses as much as digits as its factorization.

448938709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 448938709 is about 21188.1738004954. The cubic root of 448938709 is about 765.7065305463.

The spelling of 448938709 in words is "four hundred forty-eight million, nine hundred thirty-eight thousand, seven hundred nine".