2444442239 has 2 divisors, whose sum is σ = 2444442240. Its totient is φ = 2444442238.

The previous prime is 2444442193. The next prime is 2444442269. The reversal of 2444442239 is 9322444442.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2444442239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2444442269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222221119 + 1222221120.

It is an arithmetic number, because the mean of its divisors is an integer number (1222221120).

Almost surely, 2^2444442239 is an apocalyptic number.

2444442239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2444442239 is an equidigital number, since it uses as much as digits as its factorization.

2444442239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 38.

The square root of 2444442239 is about 49441.3009436443. The cubic root of 2444442239 is about 1347.0796017498.

The spelling of 2444442239 in words is "two billion, four hundred forty-four million, four hundred forty-two thousand, two hundred thirty-nine".