4421048809 has 2 divisors, whose sum is σ = 4421048810. Its totient is φ = 4421048808.

The previous prime is 4421048783. The next prime is 4421048851. The reversal of 4421048809 is 9088401244.

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., 4414938025 + 6110784 = 66445^2 + 2472^2 .

It is a cyclic number.

It is not a de Polignac number, because 4421048809 - 2⁵ = 4421048777 is a prime.

It is not a weakly prime, because it can be changed into another prime (4421048899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210524404 + 2210524405.

It is an arithmetic number, because the mean of its divisors is an integer number (2210524405).

Almost surely, 2^4421048809 is an apocalyptic number.

It is an amenable number.

4421048809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421048809 is an equidigital number, since it uses as much as digits as its factorization.

4421048809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 4421048809 is about 66490.9678753438. The cubic root of 4421048809 is about 1641.2513759923.

The spelling of 4421048809 in words is "four billion, four hundred twenty-one million, forty-eight thousand, eight hundred nine".