2143244353 has 2 divisors, whose sum is σ = 2143244354. Its totient is φ = 2143244352.

The previous prime is 2143244339. The next prime is 2143244381. The reversal of 2143244353 is 3534423412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1314207504 + 829036849 = 36252^2 + 28793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143244353 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143244053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071622176 + 1071622177.

It is an arithmetic number, because the mean of its divisors is an integer number (1071622177).

Almost surely, 2^2143244353 is an apocalyptic number.

It is an amenable number.

2143244353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143244353 is an equidigital number, since it uses as much as digits as its factorization.

2143244353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 31.

The square root of 2143244353 is about 46295.1871472619. The cubic root of 2143244353 is about 1289.3096386218.

Adding to 2143244353 its reverse (3534423412), we get a palindrome (5677667765).

The spelling of 2143244353 in words is "two billion, one hundred forty-three million, two hundred forty-four thousand, three hundred fifty-three".