1442403243427 has 2 divisors, whose sum is σ = 1442403243428. Its totient is φ = 1442403243426.

The previous prime is 1442403243403. The next prime is 1442403243443. The reversal of 1442403243427 is 7243423042441.

It is a strong prime.

It is an emirp because it is prime and its reverse (7243423042441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442403243427 - 2¹⁹ = 1442402719139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1442403243427.

It is not a weakly prime, because it can be changed into another prime (1442403243527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721201621713 + 721201621714.

It is an arithmetic number, because the mean of its divisors is an integer number (721201621714).

Almost surely, 2^{1442403243427} is an apocalyptic number.

1442403243427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442403243427 is an equidigital number, since it uses as much as digits as its factorization.

1442403243427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 40.

Adding to 1442403243427 its reverse (7243423042441), we get a palindrome (8685826285868).

The spelling of 1442403243427 in words is "one trillion, four hundred forty-two billion, four hundred three million, two hundred forty-three thousand, four hundred twenty-seven".