4454320663 has 12 divisors (see below), whose sum is σ = 4833311088. Its totient is φ = 4103161920.

The previous prime is 4454320649. The next prime is 4454320687. The reversal of 4454320663 is 3660234544.

It is a happy number.

It is not a de Polignac number, because 4454320663 - 2²¹ = 4452223511 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 (4454320363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55243 + ... + 109363.

It is an arithmetic number, because the mean of its divisors is an integer number (402775924).

Almost surely, 2^4454320663 is an apocalyptic number.

4454320663 is a deficient number, since it is larger than the sum of its proper divisors (378990425).

4454320663 is a wasteful number, since it uses less digits than its factorization.

4454320663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54634 (or 54621 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The square root of 4454320663 is about 66740.6972019322. The cubic root of 4454320663 is about 1645.3583243956.

The spelling of 4454320663 in words is "four billion, four hundred fifty-four million, three hundred twenty thousand, six hundred sixty-three".