4444750663 has 4 divisors (see below), whose sum is σ = 4520085480. Its totient is φ = 4369415848.

The previous prime is 4444750577. The next prime is 4444750727. The reversal of 4444750663 is 3660574444.

It is a happy number.

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 4444750663 - 2⁹ = 4444750151 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 (4444756663) 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, 37667320 + ... + 37667437.

It is an arithmetic number, because the mean of its divisors is an integer number (1130021370).

Almost surely, 2^4444750663 is an apocalyptic number.

4444750663 is a deficient number, since it is larger than the sum of its proper divisors (75334817).

4444750663 is an equidigital number, since it uses as much as digits as its factorization.

4444750663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75334816.

The product of its (nonzero) digits is 967680, while the sum is 43.

The square root of 4444750663 is about 66668.9632662756. The cubic root of 4444750663 is about 1644.1791420148.

The spelling of 4444750663 in words is "four billion, four hundred forty-four million, seven hundred fifty thousand, six hundred sixty-three".