2143144213 has 6 divisors (see below), whose sum is σ = 2493045366. Its totient is φ = 1836980712.

The previous prime is 2143144193. The next prime is 2143144243. The reversal of 2143144213 is 3124413412.

It can be written as a sum of positive squares in only one way, i.e., 1938024529 + 205119684 = 44023^2 + 14322^2 .

It is not a de Polignac number, because 2143144213 - 2⁹ = 2143143701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143144243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21868770 + ... + 21868867.

It is an arithmetic number, because the mean of its divisors is an integer number (415507561).

Almost surely, 2^2143144213 is an apocalyptic number.

It is an amenable number.

2143144213 is a deficient number, since it is larger than the sum of its proper divisors (349901153).

2143144213 is an equidigital number, since it uses as much as digits as its factorization.

2143144213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43737651 (or 43737644 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 2143144213 is about 46294.1055967172. The cubic root of 2143144213 is about 1289.2895579315.

Adding to 2143144213 its reverse (3124413412), we get a palindrome (5267557625).

The spelling of 2143144213 in words is "two billion, one hundred forty-three million, one hundred forty-four thousand, two hundred thirteen".