12730869539 has 2 divisors, whose sum is σ = 12730869540. Its totient is φ = 12730869538.

The previous prime is 12730869527. The next prime is 12730869551. The reversal of 12730869539 is 93596803721.

It is a balanced prime because it is at equal distance from previous prime (12730869527) and next prime (12730869551).

It is an emirp because it is prime and its reverse (93596803721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12730869539 is a prime.

It is not a weakly prime, because it can be changed into another prime (12730869559) 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, 6365434769 + 6365434770.

It is an arithmetic number, because the mean of its divisors is an integer number (6365434770).

Almost surely, 2^12730869539 is an apocalyptic number.

12730869539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12730869539 is an equidigital number, since it uses as much as digits as its factorization.

12730869539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 12730869539 in words is "twelve billion, seven hundred thirty million, eight hundred sixty-nine thousand, five hundred thirty-nine".