5143263449 has 2 divisors, whose sum is σ = 5143263450. Its totient is φ = 5143263448.

The previous prime is 5143263383. The next prime is 5143263451. The reversal of 5143263449 is 9443623415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4648512400 + 494751049 = 68180^2 + 22243^2 .

It is a cyclic number.

It is not a de Polignac number, because 5143263449 - 2⁸ = 5143263193 is a prime.

Together with 5143263451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5143263649) 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, 2571631724 + 2571631725.

It is an arithmetic number, because the mean of its divisors is an integer number (2571631725).

Almost surely, 2^5143263449 is an apocalyptic number.

It is an amenable number.

5143263449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5143263449 is an equidigital number, since it uses as much as digits as its factorization.

5143263449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 41.

The square root of 5143263449 is about 71716.5493383501. The cubic root of 5143263449 is about 1726.1542032799.

The spelling of 5143263449 in words is "five billion, one hundred forty-three million, two hundred sixty-three thousand, four hundred forty-nine".