2144403011 has 4 divisors (see below), whose sum is σ = 2154019392. Its totient is φ = 2134786632.

The previous prime is 2144402993. The next prime is 2144403017. The reversal of 2144403011 is 1103044412.

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 2144403011 - 2¹⁴ = 2144386627 is a prime.

It is a super-2 number, since 2×2144403011² = 9196928547171732242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144403017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4807856 + ... + 4808301.

It is an arithmetic number, because the mean of its divisors is an integer number (538504848).

Almost surely, 2^2144403011 is an apocalyptic number.

2144403011 is a deficient number, since it is larger than the sum of its proper divisors (9616381).

2144403011 is an equidigital number, since it uses as much as digits as its factorization.

2144403011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9616380.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2144403011 is about 46307.6992626496. The cubic root of 2144403011 is about 1289.5419343943.

Adding to 2144403011 its reverse (1103044412), we get a palindrome (3247447423).

The spelling of 2144403011 in words is "two billion, one hundred forty-four million, four hundred three thousand, eleven".