450453253631 has 4 divisors (see below), whose sum is σ = 458088054600. Its totient is φ = 442818452664.

The previous prime is 450453253619. The next prime is 450453253661. The reversal of 450453253631 is 136352354054.

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

It is a cyclic number.

It is not a de Polignac number, because 450453253631 - 2¹⁸ = 450452991487 is a prime.

It is a super-2 number, since 2×450453253631² (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 (450453253661) 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, 3817400396 + ... + 3817400513.

It is an arithmetic number, because the mean of its divisors is an integer number (114522013650).

Almost surely, 2^450453253631 is an apocalyptic number.

450453253631 is a deficient number, since it is larger than the sum of its proper divisors (7634800969).

450453253631 is an equidigital number, since it uses as much as digits as its factorization.

450453253631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634800968.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 450453253631 in words is "four hundred fifty billion, four hundred fifty-three million, two hundred fifty-three thousand, six hundred thirty-one".