4448244809 has 2 divisors, whose sum is σ = 4448244810. Its totient is φ = 4448244808.

The previous prime is 4448244799. The next prime is 4448244833. The reversal of 4448244809 is 9084428444.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3442403584 + 1005841225 = 58672^2 + 31715^2 .

It is a cyclic number.

It is not a de Polignac number, because 4448244809 - 2³² = 153277513 is a prime.

It is not a weakly prime, because it can be changed into another prime (4448243809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2224122404 + 2224122405.

It is an arithmetic number, because the mean of its divisors is an integer number (2224122405).

Almost surely, 2^4448244809 is an apocalyptic number.

It is an amenable number.

4448244809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4448244809 is an equidigital number, since it uses as much as digits as its factorization.

4448244809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1179648, while the sum is 47.

The square root of 4448244809 is about 66695.1633103931. The cubic root of 4448244809 is about 1644.6098746271.

The spelling of 4448244809 in words is "four billion, four hundred forty-eight million, two hundred forty-four thousand, eight hundred nine".