13243004399 has 2 divisors, whose sum is σ = 13243004400. Its totient is φ = 13243004398.

The previous prime is 13243004353. The next prime is 13243004417. The reversal of 13243004399 is 99340034231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13243004399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13243004899) 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, 6621502199 + 6621502200.

It is an arithmetic number, because the mean of its divisors is an integer number (6621502200).

Almost surely, 2^13243004399 is an apocalyptic number.

13243004399 is a deficient number, since it is larger than the sum of its proper divisors (1).

13243004399 is an equidigital number, since it uses as much as digits as its factorization.

13243004399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 13243004399 in words is "thirteen billion, two hundred forty-three million, four thousand, three hundred ninety-nine".