450452213243353 has 4 divisors (see below), whose sum is σ = 452940899504548. Its totient is φ = 447963526982160.

The previous prime is 450452213243339. The next prime is 450452213243371. The reversal of 450452213243353 is 353342312254054.

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 78688041114384 + 371764172128969 = 8870628^2 + 19281187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450452213243353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450452213243453) 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, 1244343130326 + ... + 1244343130687.

It is an arithmetic number, because the mean of its divisors is an integer number (113235224876137).

Almost surely, 2^{450452213243353} is an apocalyptic number.

It is an amenable number.

450452213243353 is a deficient number, since it is larger than the sum of its proper divisors (2488686261195).

450452213243353 is a wasteful number, since it uses less digits than its factorization.

450452213243353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488686261194.

The product of its (nonzero) digits is 5184000, while the sum is 46.

The spelling of 450452213243353 in words is "four hundred fifty trillion, four hundred fifty-two billion, two hundred thirteen million, two hundred forty-three thousand, three hundred fifty-three".