4444497209 has 2 divisors, whose sum is σ = 4444497210. Its totient is φ = 4444497208.

The previous prime is 4444497181. The next prime is 4444497217. The reversal of 4444497209 is 9027944444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3799489600 + 645007609 = 61640^2 + 25397^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444497209 - 2²⁴ = 4427719993 is a prime.

It is not a weakly prime, because it can be changed into another prime (4444497259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222248604 + 2222248605.

It is an arithmetic number, because the mean of its divisors is an integer number (2222248605).

Almost surely, 2^4444497209 is an apocalyptic number.

It is an amenable number.

4444497209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444497209 is an equidigital number, since it uses as much as digits as its factorization.

4444497209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 4444497209 is about 66667.0623996588. The cubic root of 4444497209 is about 1644.1478892904.

The spelling of 4444497209 in words is "four billion, four hundred forty-four million, four hundred ninety-seven thousand, two hundred nine".