2144897318 has 16 divisors (see below), whose sum is σ = 3241466880. Its totient is φ = 1064421000.

The previous prime is 2144897309. The next prime is 2144897323. The reversal of 2144897318 is 8137984412.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 460043 + ... + 464681.

It is an arithmetic number, because the mean of its divisors is an integer number (202591680).

Almost surely, 2^2144897318 is an apocalyptic number.

2144897318 is a deficient number, since it is larger than the sum of its proper divisors (1096569562).

2144897318 is a wasteful number, since it uses less digits than its factorization.

2144897318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323.

The product of its digits is 387072, while the sum is 47.

The square root of 2144897318 is about 46313.0361561407. The cubic root of 2144897318 is about 1289.6410110185.

The spelling of 2144897318 in words is "two billion, one hundred forty-four million, eight hundred ninety-seven thousand, three hundred eighteen".