450455419 has 2 divisors, whose sum is σ = 450455420. Its totient is φ = 450455418.

The previous prime is 450455399. The next prime is 450455429. The reversal of 450455419 is 914554054.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450455419 is a prime.

It is a super-2 number, since 2×450455419² = 405820169012931122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450455429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225227709 + 225227710.

It is an arithmetic number, because the mean of its divisors is an integer number (225227710).

Almost surely, 2^450455419 is an apocalyptic number.

450455419 is a deficient number, since it is larger than the sum of its proper divisors (1).

450455419 is an equidigital number, since it uses as much as digits as its factorization.

450455419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 450455419 is about 21223.9350498441. The cubic root of 450455419 is about 766.5678577343.

The spelling of 450455419 in words is "four hundred fifty million, four hundred fifty-five thousand, four hundred nineteen".