442450362505903 has 2 divisors, whose sum is σ = 442450362505904. Its totient is φ = 442450362505902.

The previous prime is 442450362505897. The next prime is 442450362506027. The reversal of 442450362505903 is 309505263054244.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442450362505903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442450362505603) 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, 221225181252951 + 221225181252952.

It is an arithmetic number, because the mean of its divisors is an integer number (221225181252952).

Almost surely, 2^{442450362505903} is an apocalyptic number.

442450362505903 is a deficient number, since it is larger than the sum of its proper divisors (1).

442450362505903 is an equidigital number, since it uses as much as digits as its factorization.

442450362505903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 442450362505903 in words is "four hundred forty-two trillion, four hundred fifty billion, three hundred sixty-two million, five hundred five thousand, nine hundred three".