2144789119 has 4 divisors (see below), whose sum is σ = 2339769960. Its totient is φ = 1949808280.

The previous prime is 2144789093. The next prime is 2144789149. The reversal of 2144789119 is 9119874412.

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 2144789119 - 2¹⁵ = 2144756351 is a prime.

It is a super-2 number, since 2×2144789119² = 9200240729961592322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144789149) 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 3 ways as a sum of consecutive naturals, for example, 97490404 + ... + 97490425.

It is an arithmetic number, because the mean of its divisors is an integer number (584942490).

Almost surely, 2^2144789119 is an apocalyptic number.

2144789119 is a deficient number, since it is larger than the sum of its proper divisors (194980841).

2144789119 is a wasteful number, since it uses less digits than its factorization.

2144789119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194980840.

The product of its digits is 145152, while the sum is 46.

The square root of 2144789119 is about 46311.8680145813. The cubic root of 2144789119 is about 1289.6193254094.

The spelling of 2144789119 in words is "two billion, one hundred forty-four million, seven hundred eighty-nine thousand, one hundred nineteen".