442144045241 has 2 divisors, whose sum is σ = 442144045242. Its totient is φ = 442144045240.

The previous prime is 442144045219. The next prime is 442144045279. The reversal of 442144045241 is 142540441244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439701610000 + 2442435241 = 663100^2 + 49421^2 .

It is a cyclic number.

It is not a de Polignac number, because 442144045241 - 2⁶ = 442144045177 is a prime.

It is not a weakly prime, because it can be changed into another prime (442144015241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221072022620 + 221072022621.

It is an arithmetic number, because the mean of its divisors is an integer number (221072022621).

Almost surely, 2^442144045241 is an apocalyptic number.

It is an amenable number.

442144045241 is a deficient number, since it is larger than the sum of its proper divisors (1).

442144045241 is an equidigital number, since it uses as much as digits as its factorization.

442144045241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 442144045241 its reverse (142540441244), we get a palindrome (584684486485).

The spelling of 442144045241 in words is "four hundred forty-two billion, one hundred forty-four million, forty-five thousand, two hundred forty-one".