450411616243543 has 2 divisors, whose sum is σ = 450411616243544. Its totient is φ = 450411616243542.

The previous prime is 450411616243541. The next prime is 450411616243621. The reversal of 450411616243543 is 345342616114054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450411616243543 - 2¹ = 450411616243541 is a prime.

Together with 450411616243541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450411616243541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225205808121771 + 225205808121772.

It is an arithmetic number, because the mean of its divisors is an integer number (225205808121772).

Almost surely, 2^{450411616243543} is an apocalyptic number.

450411616243543 is a deficient number, since it is larger than the sum of its proper divisors (1).

450411616243543 is an equidigital number, since it uses as much as digits as its factorization.

450411616243543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 450411616243543 in words is "four hundred fifty trillion, four hundred eleven billion, six hundred sixteen million, two hundred forty-three thousand, five hundred forty-three".