450450422053 has 4 divisors (see below), whose sum is σ = 452053448748. Its totient is φ = 448847395360.

The previous prime is 450450422041. The next prime is 450450422117. The reversal of 450450422053 is 350224054054.

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 116143276804 + 334307145249 = 340798^2 + 578193^2 .

It is a cyclic number.

It is not a de Polignac number, because 450450422053 - 2⁵ = 450450422021 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 (450450426053) 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, 801512926 + ... + 801513487.

It is an arithmetic number, because the mean of its divisors is an integer number (113013362187).

Almost surely, 2^450450422053 is an apocalyptic number.

It is an amenable number.

450450422053 is a deficient number, since it is larger than the sum of its proper divisors (1603026695).

450450422053 is a wasteful number, since it uses less digits than its factorization.

450450422053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603026694.

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 450450422053 in words is "four hundred fifty billion, four hundred fifty million, four hundred twenty-two thousand, fifty-three".