450990273551 has 2 divisors, whose sum is σ = 450990273552. Its totient is φ = 450990273550.

The previous prime is 450990273413. The next prime is 450990273563. The reversal of 450990273551 is 155372099054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450990273551 - 2³⁸ = 176112366607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450990273551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450990243551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225495136775 + 225495136776.

It is an arithmetic number, because the mean of its divisors is an integer number (225495136776).

Almost surely, 2^450990273551 is an apocalyptic number.

450990273551 is a deficient number, since it is larger than the sum of its proper divisors (1).

450990273551 is an equidigital number, since it uses as much as digits as its factorization.

450990273551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The spelling of 450990273551 in words is "four hundred fifty billion, nine hundred ninety million, two hundred seventy-three thousand, five hundred fifty-one".