442444021343 has 2 divisors, whose sum is σ = 442444021344. Its totient is φ = 442444021342.

The previous prime is 442444021333. The next prime is 442444021399. The reversal of 442444021343 is 343120444244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442444021343 - 2²⁶ = 442376912479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442444021333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221222010671 + 221222010672.

It is an arithmetic number, because the mean of its divisors is an integer number (221222010672).

Almost surely, 2^442444021343 is an apocalyptic number.

442444021343 is a deficient number, since it is larger than the sum of its proper divisors (1).

442444021343 is an equidigital number, since it uses as much as digits as its factorization.

442444021343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 442444021343 its reverse (343120444244), we get a palindrome (785564465587).

The spelling of 442444021343 in words is "four hundred forty-two billion, four hundred forty-four million, twenty-one thousand, three hundred forty-three".