2144305663 has 8 divisors (see below), whose sum is σ = 2244832128. Its totient is φ = 2044387224.

The previous prime is 2144305643. The next prime is 2144305679. The reversal of 2144305663 is 3665034412.

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 2144305663 - 2¹³ = 2144297471 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144305643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144781 + ... + 158902.

It is an arithmetic number, because the mean of its divisors is an integer number (280604016).

Almost surely, 2^2144305663 is an apocalyptic number.

2144305663 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2144305663 is a deficient number, since it is larger than the sum of its proper divisors (100526465).

2144305663 is a wasteful number, since it uses less digits than its factorization.

2144305663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304013.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2144305663 is about 46306.6481512104. The cubic root of 2144305663 is about 1289.5224206140.

The spelling of 2144305663 in words is "two billion, one hundred forty-four million, three hundred five thousand, six hundred sixty-three".