2144293911 has 32 divisors (see below), whose sum is σ = 3208259520. Its totient is φ = 1415411712.

The previous prime is 2144293903. The next prime is 2144293927. The reversal of 2144293911 is 1193924412.

2144293911 is a `hidden beast` number, since 214 + 429 + 3 + 9 + 11 = 666.

It is not a de Polignac number, because 2144293911 - 2³ = 2144293903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144293951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1495651 + ... + 1497083.

It is an arithmetic number, because the mean of its divisors is an integer number (100258110).

Almost surely, 2^2144293911 is an apocalyptic number.

2144293911 is a deficient number, since it is larger than the sum of its proper divisors (1063965609).

2144293911 is a wasteful number, since it uses less digits than its factorization.

2144293911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1946 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2144293911 is about 46306.5212578099. The cubic root of 2144293911 is about 1289.5200648405.

The spelling of 2144293911 in words is "two billion, one hundred forty-four million, two hundred ninety-three thousand, nine hundred eleven".