450663242132461 has 4 divisors (see below), whose sum is σ = 450872560872252. Its totient is φ = 450453923392672.

The previous prime is 450663242132413. The next prime is 450663242132471. The reversal of 450663242132461 is 164231242366054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136720870272900 + 313942371859561 = 11692770^2 + 17718419^2 .

It is a cyclic number.

It is not a de Polignac number, because 450663242132461 - 2⁷ = 450663242132333 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 (450663242132471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104659366666 + ... + 104659370971.

It is an arithmetic number, because the mean of its divisors is an integer number (112718140218063).

Almost surely, 2^{450663242132461} is an apocalyptic number.

It is an amenable number.

450663242132461 is a deficient number, since it is larger than the sum of its proper divisors (209318739791).

450663242132461 is a wasteful number, since it uses less digits than its factorization.

450663242132461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209318739790.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 450663242132461 in words is "four hundred fifty trillion, six hundred sixty-three billion, two hundred forty-two million, one hundred thirty-two thousand, four hundred sixty-one".