2143122413 has 2 divisors, whose sum is σ = 2143122414. Its totient is φ = 2143122412.

The previous prime is 2143122353. The next prime is 2143122419. The reversal of 2143122413 is 3142213412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1125065764 + 1018056649 = 33542^2 + 31907^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143122413 - 2¹² = 2143118317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143122419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071561206 + 1071561207.

It is an arithmetic number, because the mean of its divisors is an integer number (1071561207).

Almost surely, 2^2143122413 is an apocalyptic number.

It is an amenable number.

2143122413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143122413 is an equidigital number, since it uses as much as digits as its factorization.

2143122413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 2143122413 is about 46293.8701449771. The cubic root of 2143122413 is about 1289.2851863782.

Adding to 2143122413 its reverse (3142213412), we get a palindrome (5285335825).

Subtracting 2143122413 from its reverse (3142213412), we obtain a palindrome (999090999).

The spelling of 2143122413 in words is "two billion, one hundred forty-three million, one hundred twenty-two thousand, four hundred thirteen".