2244653663 has 4 divisors (see below), whose sum is σ = 2565318480. Its totient is φ = 1923988848.

The previous prime is 2244653647. The next prime is 2244653681. The reversal of 2244653663 is 3663564422.

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 2244653663 - 2⁴ = 2244653647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2244653663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244655663) 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 3 ways as a sum of consecutive naturals, for example, 160332398 + ... + 160332411.

It is an arithmetic number, because the mean of its divisors is an integer number (641329620).

Almost surely, 2^2244653663 is an apocalyptic number.

2244653663 is a deficient number, since it is larger than the sum of its proper divisors (320664817).

2244653663 is an equidigital number, since it uses as much as digits as its factorization.

2244653663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320664816.

The product of its digits is 622080, while the sum is 41.

The square root of 2244653663 is about 47377.7760453147. The cubic root of 2244653663 is about 1309.3319949520.

The spelling of 2244653663 in words is "two billion, two hundred forty-four million, six hundred fifty-three thousand, six hundred sixty-three".