2044424209 has 2 divisors, whose sum is σ = 2044424210. Its totient is φ = 2044424208.

The previous prime is 2044424191. The next prime is 2044424273. The reversal of 2044424209 is 9024244402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1987376400 + 57047809 = 44580^2 + 7553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044424209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2044424009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022212104 + 1022212105.

It is an arithmetic number, because the mean of its divisors is an integer number (1022212105).

Almost surely, 2^2044424209 is an apocalyptic number.

It is an amenable number.

2044424209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044424209 is an equidigital number, since it uses as much as digits as its factorization.

2044424209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 2044424209 is about 45215.3094537680. The cubic root of 2044424209 is about 1269.1813205922.

The spelling of 2044424209 in words is "two billion, forty-four million, four hundred twenty-four thousand, two hundred nine".