450663242132503 has 16 divisors (see below), whose sum is σ = 472919485029120. Its totient is φ = 428629205340864.

The previous prime is 450663242132479. The next prime is 450663242132507. The reversal of 450663242132503 is 305231242366054.

It is a cyclic number.

It is not a de Polignac number, because 450663242132503 - 2⁵ = 450663242132471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450663242132507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51582700 + ... + 59683342.

It is an arithmetic number, because the mean of its divisors is an integer number (29557467814320).

Almost surely, 2^{450663242132503} is an apocalyptic number.

450663242132503 is a deficient number, since it is larger than the sum of its proper divisors (22256242896617).

450663242132503 is a wasteful number, since it uses less digits than its factorization.

450663242132503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8114358.

The product of its (nonzero) digits is 3110400, while the sum is 46.

Adding to 450663242132503 its reverse (305231242366054), we get a palindrome (755894484498557).

The spelling of 450663242132503 in words is "four hundred fifty trillion, six hundred sixty-three billion, two hundred forty-two million, one hundred thirty-two thousand, five hundred three".