450943122081 has 4 divisors (see below), whose sum is σ = 601257496112. Its totient is φ = 300628748052.

The previous prime is 450943122011. The next prime is 450943122151. The reversal of 450943122081 is 180221349054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (450943122011) and next prime (450943122151).

It is not a de Polignac number, because 450943122081 - 2⁹ = 450943121569 is a prime.

It is a super-2 number, since 2×450943122081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450943122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75157187011 + ... + 75157187016.

It is an arithmetic number, because the mean of its divisors is an integer number (150314374028).

Almost surely, 2^450943122081 is an apocalyptic number.

It is an amenable number.

450943122081 is a deficient number, since it is larger than the sum of its proper divisors (150314374031).

450943122081 is a wasteful number, since it uses less digits than its factorization.

450943122081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150314374030.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 450943122081 in words is "four hundred fifty billion, nine hundred forty-three million, one hundred twenty-two thousand, eighty-one".