450132858169 has 2 divisors, whose sum is σ = 450132858170. Its totient is φ = 450132858168.

The previous prime is 450132858037. The next prime is 450132858193. The reversal of 450132858169 is 961858231054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448078955769 + 2053902400 = 669387^2 + 45320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450132858169 is a prime.

It is a super-2 number, since 2×450132858169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450132853169) 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, 225066429084 + 225066429085.

It is an arithmetic number, because the mean of its divisors is an integer number (225066429085).

Almost surely, 2^450132858169 is an apocalyptic number.

It is an amenable number.

450132858169 is a deficient number, since it is larger than the sum of its proper divisors (1).

450132858169 is an equidigital number, since it uses as much as digits as its factorization.

450132858169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 450132858169 in words is "four hundred fifty billion, one hundred thirty-two million, eight hundred fifty-eight thousand, one hundred sixty-nine".