4394224049 has 2 divisors, whose sum is σ = 4394224050. Its totient is φ = 4394224048.

The previous prime is 4394224033. The next prime is 4394224067. The reversal of 4394224049 is 9404224934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3245353024 + 1148871025 = 56968^2 + 33895^2 .

It is a cyclic number.

It is not a de Polignac number, because 4394224049 - 2⁴ = 4394224033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4394223997 and 4394224015.

It is not a weakly prime, because it can be changed into another prime (4394224019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197112024 + 2197112025.

It is an arithmetic number, because the mean of its divisors is an integer number (2197112025).

Almost surely, 2^4394224049 is an apocalyptic number.

It is an amenable number.

4394224049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394224049 is an equidigital number, since it uses as much as digits as its factorization.

4394224049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 4394224049 is about 66288.9436407007. The cubic root of 4394224049 is about 1637.9252030540.

The spelling of 4394224049 in words is "four billion, three hundred ninety-four million, two hundred twenty-four thousand, forty-nine".