13243254247 has 2 divisors, whose sum is σ = 13243254248. Its totient is φ = 13243254246.

The previous prime is 13243254209. The next prime is 13243254259. The reversal of 13243254247 is 74245234231.

13243254247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13243254247 - 2²⁷ = 13109036519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13243255247) 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, 6621627123 + 6621627124.

It is an arithmetic number, because the mean of its divisors is an integer number (6621627124).

Almost surely, 2^13243254247 is an apocalyptic number.

13243254247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13243254247 is an equidigital number, since it uses as much as digits as its factorization.

13243254247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 37.

Adding to 13243254247 its reverse (74245234231), we get a palindrome (87488488478).

The spelling of 13243254247 in words is "thirteen billion, two hundred forty-three million, two hundred fifty-four thousand, two hundred forty-seven".