450990449219 has 2 divisors, whose sum is σ = 450990449220. Its totient is φ = 450990449218.

The previous prime is 450990449179. The next prime is 450990449281. The reversal of 450990449219 is 912944099054.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450990449219 is a prime.

It is a super-2 number, since 2×450990449219² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (450990449719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225495224609 + 225495224610.

It is an arithmetic number, because the mean of its divisors is an integer number (225495224610).

Almost surely, 2^450990449219 is an apocalyptic number.

450990449219 is a deficient number, since it is larger than the sum of its proper divisors (1).

450990449219 is an equidigital number, since it uses as much as digits as its factorization.

450990449219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 450990449219 in words is "four hundred fifty billion, nine hundred ninety million, four hundred forty-nine thousand, two hundred nineteen".