442443322003 has 2 divisors, whose sum is σ = 442443322004. Its totient is φ = 442443322002.

The previous prime is 442443322001. The next prime is 442443322021. The reversal of 442443322003 is 300223344244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442443322003 - 2¹ = 442443322001 is a prime.

Together with 442443322001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (442443322001) 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, 221221661001 + 221221661002.

It is an arithmetic number, because the mean of its divisors is an integer number (221221661002).

Almost surely, 2^442443322003 is an apocalyptic number.

442443322003 is a deficient number, since it is larger than the sum of its proper divisors (1).

442443322003 is an equidigital number, since it uses as much as digits as its factorization.

442443322003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 442443322003 its reverse (300223344244), we get a palindrome (742666666247).

The spelling of 442443322003 in words is "four hundred forty-two billion, four hundred forty-three million, three hundred twenty-two thousand, three".