450023369 has 2 divisors, whose sum is σ = 450023370. Its totient is φ = 450023368.

The previous prime is 450023333. The next prime is 450023411. The reversal of 450023369 is 963320054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448931344 + 1092025 = 21188^2 + 1045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450023369 is a prime.

It is a super-2 number, since 2×450023369² = 405042065292220322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450023069) 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, 225011684 + 225011685.

It is an arithmetic number, because the mean of its divisors is an integer number (225011685).

Almost surely, 2^450023369 is an apocalyptic number.

It is an amenable number.

450023369 is a deficient number, since it is larger than the sum of its proper divisors (1).

450023369 is an equidigital number, since it uses as much as digits as its factorization.

450023369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 450023369 is about 21213.7542410579. The cubic root of 450023369 is about 766.3226972640.

The spelling of 450023369 in words is "four hundred fifty million, twenty-three thousand, three hundred sixty-nine".