450255513569 has 2 divisors, whose sum is σ = 450255513570. Its totient is φ = 450255513568.

The previous prime is 450255513553. The next prime is 450255513577. The reversal of 450255513569 is 965315552054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 449939100625 + 316412944 = 670775^2 + 17788^2 .

It is a cyclic number.

It is not a de Polignac number, because 450255513569 - 2⁴ = 450255513553 is a prime.

It is a super-2 number, since 2×450255513569² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (450255513269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225127756784 + 225127756785.

It is an arithmetic number, because the mean of its divisors is an integer number (225127756785).

Almost surely, 2^450255513569 is an apocalyptic number.

It is an amenable number.

450255513569 is a deficient number, since it is larger than the sum of its proper divisors (1).

450255513569 is an equidigital number, since it uses as much as digits as its factorization.

450255513569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 450255513569 in words is "four hundred fifty billion, two hundred fifty-five million, five hundred thirteen thousand, five hundred sixty-nine".