2144413121 has 2 divisors, whose sum is σ = 2144413122. Its totient is φ = 2144413120.

The previous prime is 2144413087. The next prime is 2144413129. The reversal of 2144413121 is 1213144412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1790220721 + 354192400 = 42311^2 + 18820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144413121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2144413129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072206560 + 1072206561.

It is an arithmetic number, because the mean of its divisors is an integer number (1072206561).

Almost surely, 2^2144413121 is an apocalyptic number.

It is an amenable number.

2144413121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144413121 is an equidigital number, since it uses as much as digits as its factorization.

2144413121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 2144413121 is about 46307.8084236341. The cubic root of 2144413121 is about 1289.5439609488.

Adding to 2144413121 its reverse (1213144412), we get a palindrome (3357557533).

The spelling of 2144413121 in words is "two billion, one hundred forty-four million, four hundred thirteen thousand, one hundred twenty-one".