448064209 has 2 divisors, whose sum is σ = 448064210. Its totient is φ = 448064208.

The previous prime is 448064203. The next prime is 448064261. The reversal of 448064209 is 902460844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372374209 + 75690000 = 19297^2 + 8700^2 .

It is a cyclic number.

It is not a de Polignac number, because 448064209 - 2⁹ = 448063697 is a prime.

It is not a weakly prime, because it can be changed into another prime (448064203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224032104 + 224032105.

It is an arithmetic number, because the mean of its divisors is an integer number (224032105).

Almost surely, 2^448064209 is an apocalyptic number.

It is an amenable number.

448064209 is a deficient number, since it is larger than the sum of its proper divisors (1).

448064209 is an equidigital number, since it uses as much as digits as its factorization.

448064209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 448064209 is about 21167.5272292254. The cubic root of 448064209 is about 765.2090271360.

The spelling of 448064209 in words is "four hundred forty-eight million, sixty-four thousand, two hundred nine".