4431985453 has 8 divisors (see below), whose sum is σ = 5111596160. Its totient is φ = 3763992240.

The previous prime is 4431985351. The next prime is 4431985469. The reversal of 4431985453 is 3545891344.

It is a happy number.

4431985453 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4431985453 - 2¹³ = 4431977261 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 (4431985853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2903553 + ... + 2905078.

It is an arithmetic number, because the mean of its divisors is an integer number (638949520).

Almost surely, 2^4431985453 is an apocalyptic number.

It is an amenable number.

4431985453 is a deficient number, since it is larger than the sum of its proper divisors (679610707).

4431985453 is a wasteful number, since it uses less digits than its factorization.

4431985453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808747.

The product of its digits is 1036800, while the sum is 46.

The square root of 4431985453 is about 66573.1586527183. The cubic root of 4431985453 is about 1642.6036193101.

The spelling of 4431985453 in words is "four billion, four hundred thirty-one million, nine hundred eighty-five thousand, four hundred fifty-three".