448768009 has 2 divisors, whose sum is σ = 448768010. Its totient is φ = 448768008.

The previous prime is 448767971. The next prime is 448768027. The reversal of 448768009 is 900867844.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390931984 + 57836025 = 19772^2 + 7605^2 .

It is a cyclic number.

It is not a de Polignac number, because 448768009 - 2²⁵ = 415213577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448768009.

It is not a weakly prime, because it can be changed into another prime (448768109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224384004 + 224384005.

It is an arithmetic number, because the mean of its divisors is an integer number (224384005).

Almost surely, 2^448768009 is an apocalyptic number.

It is an amenable number.

448768009 is a deficient number, since it is larger than the sum of its proper divisors (1).

448768009 is an equidigital number, since it uses as much as digits as its factorization.

448768009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 448768009 is about 21184.1452270324. The cubic root of 448768009 is about 765.6094700257.

The spelling of 448768009 in words is "four hundred forty-eight million, seven hundred sixty-eight thousand, nine".