4443244549 has 2 divisors, whose sum is σ = 4443244550. Its totient is φ = 4443244548.

The previous prime is 4443244529. The next prime is 4443244571. The reversal of 4443244549 is 9454423444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4066612900 + 376631649 = 63770^2 + 19407^2 .

It is a cyclic number.

It is not a de Polignac number, because 4443244549 - 2¹⁵ = 4443211781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4443244529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221622274 + 2221622275.

It is an arithmetic number, because the mean of its divisors is an integer number (2221622275).

Almost surely, 2^4443244549 is an apocalyptic number.

It is an amenable number.

4443244549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4443244549 is an equidigital number, since it uses as much as digits as its factorization.

4443244549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 43.

The square root of 4443244549 is about 66657.6668433572. Note that the first 3 decimals coincide. The cubic root of 4443244549 is about 1643.9934097381.

The spelling of 4443244549 in words is "four billion, four hundred forty-three million, two hundred forty-four thousand, five hundred forty-nine".