450919826219 has 2 divisors, whose sum is σ = 450919826220. Its totient is φ = 450919826218.

The previous prime is 450919826207. The next prime is 450919826249. The reversal of 450919826219 is 912628919054.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450919826219 is a prime.

It is a super-2 number, since 2×450919826219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450919826249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225459913109 + 225459913110.

It is an arithmetic number, because the mean of its divisors is an integer number (225459913110).

Almost surely, 2^450919826219 is an apocalyptic number.

450919826219 is a deficient number, since it is larger than the sum of its proper divisors (1).

450919826219 is an equidigital number, since it uses as much as digits as its factorization.

450919826219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 450919826219 in words is "four hundred fifty billion, nine hundred nineteen million, eight hundred twenty-six thousand, two hundred nineteen".