12439369347247 has 2 divisors, whose sum is σ = 12439369347248. Its totient is φ = 12439369347246.

The previous prime is 12439369347103. The next prime is 12439369347269. The reversal of 12439369347247 is 74274396393421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12439369347247 - 2¹¹ = 12439369345199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12439369341247) 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, 6219684673623 + 6219684673624.

It is an arithmetic number, because the mean of its divisors is an integer number (6219684673624).

Almost surely, 2^{12439369347247} is an apocalyptic number.

12439369347247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12439369347247 is an equidigital number, since it uses as much as digits as its factorization.

12439369347247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164602368, while the sum is 64.

The spelling of 12439369347247 in words is "twelve trillion, four hundred thirty-nine billion, three hundred sixty-nine million, three hundred forty-seven thousand, two hundred forty-seven".