9444020249 has 2 divisors, whose sum is σ = 9444020250. Its totient is φ = 9444020248.

The previous prime is 9444020239. The next prime is 9444020269. The reversal of 9444020249 is 9420204449.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9352243849 + 91776400 = 96707^2 + 9580^2 .

It is a cyclic number.

It is not a de Polignac number, because 9444020249 - 2⁸ = 9444019993 is a prime.

It is not a weakly prime, because it can be changed into another prime (9444020239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4722010124 + 4722010125.

It is an arithmetic number, because the mean of its divisors is an integer number (4722010125).

Almost surely, 2^9444020249 is an apocalyptic number.

It is an amenable number.

9444020249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9444020249 is an equidigital number, since it uses as much as digits as its factorization.

9444020249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 9444020249 is about 97180.3490886918. The cubic root of 9444020249 is about 2113.7435880489.

The spelling of 9444020249 in words is "nine billion, four hundred forty-four million, twenty thousand, two hundred forty-nine".