12752760009709 has 2 divisors, whose sum is σ = 12752760009710. Its totient is φ = 12752760009708.

The previous prime is 12752760009641. The next prime is 12752760009739. The reversal of 12752760009709 is 90790006725721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9394531502500 + 3358228507209 = 3065050^2 + 1832547^2 .

It is an emirp because it is prime and its reverse (90790006725721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12752760009709 - 2¹⁵ = 12752759976941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12752760009709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12752760009739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376380004854 + 6376380004855.

It is an arithmetic number, because the mean of its divisors is an integer number (6376380004855).

Almost surely, 2^{12752760009709} is an apocalyptic number.

It is an amenable number.

12752760009709 is a deficient number, since it is larger than the sum of its proper divisors (1).

12752760009709 is an equidigital number, since it uses as much as digits as its factorization.

12752760009709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3333960, while the sum is 55.

The spelling of 12752760009709 in words is "twelve trillion, seven hundred fifty-two billion, seven hundred sixty million, nine thousand, seven hundred nine".