450864490243 has 2 divisors, whose sum is σ = 450864490244. Its totient is φ = 450864490242.

The previous prime is 450864490187. The next prime is 450864490253. The reversal of 450864490243 is 342094468054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450864490243 - 2³³ = 442274555651 is a prime.

It is not a weakly prime, because it can be changed into another prime (450864490253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225432245121 + 225432245122.

It is an arithmetic number, because the mean of its divisors is an integer number (225432245122).

Almost surely, 2^450864490243 is an apocalyptic number.

450864490243 is a deficient number, since it is larger than the sum of its proper divisors (1).

450864490243 is an equidigital number, since it uses as much as digits as its factorization.

450864490243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 450864490243 in words is "four hundred fifty billion, eight hundred sixty-four million, four hundred ninety thousand, two hundred forty-three".