2142321413 has 2 divisors, whose sum is σ = 2142321414. Its totient is φ = 2142321412.

The previous prime is 2142321367. The next prime is 2142321473. The reversal of 2142321413 is 3141232412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1105030564 + 1037290849 = 33242^2 + 32207^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142321413 - 2⁸ = 2142321157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142321473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071160706 + 1071160707.

It is an arithmetic number, because the mean of its divisors is an integer number (1071160707).

Almost surely, 2^2142321413 is an apocalyptic number.

It is an amenable number.

2142321413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142321413 is an equidigital number, since it uses as much as digits as its factorization.

2142321413 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 2142321413 is about 46285.2180830986. The cubic root of 2142321413 is about 1289.1245413126.

Adding to 2142321413 its reverse (3141232412), we get a palindrome (5283553825).

The spelling of 2142321413 in words is "two billion, one hundred forty-two million, three hundred twenty-one thousand, four hundred thirteen".