450053543431 has 4 divisors (see below), whose sum is σ = 450054897592. Its totient is φ = 450052189272.

The previous prime is 450053543417. The next prime is 450053543447. The reversal of 450053543431 is 134345350054.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 450053543431 - 2¹⁷ = 450053412359 is a prime.

It is a super-2 number, since 2×450053543431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450053543461) 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, 201196 + ... + 969838.

It is an arithmetic number, because the mean of its divisors is an integer number (112513724398).

Almost surely, 2^450053543431 is an apocalyptic number.

450053543431 is a deficient number, since it is larger than the sum of its proper divisors (1354161).

450053543431 is an equidigital number, since it uses as much as digits as its factorization.

450053543431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354160.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 450053543431 its reverse (134345350054), we get a palindrome (584398893485).

The spelling of 450053543431 in words is "four hundred fifty billion, fifty-three million, five hundred forty-three thousand, four hundred thirty-one".