2143254593 has 2 divisors, whose sum is σ = 2143254594. Its totient is φ = 2143254592.

The previous prime is 2143254577. The next prime is 2143254601. The reversal of 2143254593 is 3954523412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1090122289 + 1053132304 = 33017^2 + 32452^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143254593 - 2⁴ = 2143254577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143257593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071627296 + 1071627297.

It is an arithmetic number, because the mean of its divisors is an integer number (1071627297).

Almost surely, 2^2143254593 is an apocalyptic number.

It is an amenable number.

2143254593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143254593 is an equidigital number, since it uses as much as digits as its factorization.

2143254593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 2143254593 is about 46295.2977417793. The cubic root of 2143254593 is about 1289.3116919745.

The spelling of 2143254593 in words is "two billion, one hundred forty-three million, two hundred fifty-four thousand, five hundred ninety-three".