4444655663 has 8 divisors (see below), whose sum is σ = 5081751840. Its totient is φ = 3808095840.

The previous prime is 4444655587. The next prime is 4444655669. The reversal of 4444655663 is 3665564444.

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 4444655663 - 2⁸ = 4444655407 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 (4444655669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116168 + ... + 149613.

It is an arithmetic number, because the mean of its divisors is an integer number (635218980).

Almost surely, 2^4444655663 is an apocalyptic number.

4444655663 is a deficient number, since it is larger than the sum of its proper divisors (637096177).

4444655663 is a wasteful number, since it uses less digits than its factorization.

4444655663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268177.

The product of its digits is 4147200, while the sum is 47.

The square root of 4444655663 is about 66668.2507870126. The cubic root of 4444655663 is about 1644.1674279620.

The spelling of 4444655663 in words is "four billion, four hundred forty-four million, six hundred fifty-five thousand, six hundred sixty-three".