2144442413 has 2 divisors, whose sum is σ = 2144442414. Its totient is φ = 2144442412.

The previous prime is 2144442397. The next prime is 2144442427. The reversal of 2144442413 is 3142444412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1183566409 + 960876004 = 34403^2 + 30998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144442413 - 2⁴ = 2144442397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144442473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072221206 + 1072221207.

It is an arithmetic number, because the mean of its divisors is an integer number (1072221207).

Almost surely, 2^2144442413 is an apocalyptic number.

It is an amenable number.

2144442413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144442413 is an equidigital number, since it uses as much as digits as its factorization.

2144442413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 29.

The square root of 2144442413 is about 46308.1246975085. The cubic root of 2144442413 is about 1289.5498325086.

Adding to 2144442413 its reverse (3142444412), we get a palindrome (5286886825).

The spelling of 2144442413 in words is "two billion, one hundred forty-four million, four hundred forty-two thousand, four hundred thirteen".