2144261393 has 2 divisors, whose sum is σ = 2144261394. Its totient is φ = 2144261392.

The previous prime is 2144261387. The next prime is 2144261429. The reversal of 2144261393 is 3931624412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1725322369 + 418939024 = 41537^2 + 20468^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144261393 - 2⁴ = 2144261377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2144261303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072130696 + 1072130697.

It is an arithmetic number, because the mean of its divisors is an integer number (1072130697).

Almost surely, 2^2144261393 is an apocalyptic number.

It is an amenable number.

2144261393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144261393 is an equidigital number, since it uses as much as digits as its factorization.

2144261393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 2144261393 is about 46306.1701396261. The cubic root of 2144261393 is about 1289.5135463272.

The spelling of 2144261393 in words is "two billion, one hundred forty-four million, two hundred sixty-one thousand, three hundred ninety-three".