1442423220319 has 2 divisors, whose sum is σ = 1442423220320. Its totient is φ = 1442423220318.

The previous prime is 1442423220281. The next prime is 1442423220377. The reversal of 1442423220319 is 9130223242441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442423220319 - 2³¹ = 1440275736671 is a prime.

It is a super-2 number, since 2×1442423220319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442423220619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721211610159 + 721211610160.

It is an arithmetic number, because the mean of its divisors is an integer number (721211610160).

Almost surely, 2^{1442423220319} is an apocalyptic number.

1442423220319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442423220319 is an equidigital number, since it uses as much as digits as its factorization.

1442423220319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 1442423220319 in words is "one trillion, four hundred forty-two billion, four hundred twenty-three million, two hundred twenty thousand, three hundred nineteen".