450422306021 has 4 divisors (see below), whose sum is σ = 474128743200. Its totient is φ = 426715868844.

The previous prime is 450422306003. The next prime is 450422306041. The reversal of 450422306021 is 120603224054.

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 a cyclic number.

It is not a de Polignac number, because 450422306021 - 2³⁸ = 175544399077 is a prime.

It is a super-2 number, since 2×450422306021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450422306041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11853218561 + ... + 11853218598.

It is an arithmetic number, because the mean of its divisors is an integer number (118532185800).

Almost surely, 2^450422306021 is an apocalyptic number.

It is an amenable number.

450422306021 is a deficient number, since it is larger than the sum of its proper divisors (23706437179).

450422306021 is a wasteful number, since it uses less digits than its factorization.

450422306021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23706437178.

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 450422306021 in words is "four hundred fifty billion, four hundred twenty-two million, three hundred six thousand, twenty-one".