1442243421259 has 2 divisors, whose sum is σ = 1442243421260. Its totient is φ = 1442243421258.

The previous prime is 1442243421193. The next prime is 1442243421317. The reversal of 1442243421259 is 9521243422441.

It is a strong prime.

It is an emirp because it is prime and its reverse (9521243422441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442243421259 - 2¹³ = 1442243413067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442243427259) 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, 721121710629 + 721121710630.

It is an arithmetic number, because the mean of its divisors is an integer number (721121710630).

Almost surely, 2^{1442243421259} is an apocalyptic number.

1442243421259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442243421259 is an equidigital number, since it uses as much as digits as its factorization.

1442243421259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 43.

The spelling of 1442243421259 in words is "one trillion, four hundred forty-two billion, two hundred forty-three million, four hundred twenty-one thousand, two hundred fifty-nine".