12659295641 has 2 divisors, whose sum is σ = 12659295642. Its totient is φ = 12659295640.

The previous prime is 12659295631. The next prime is 12659295679. The reversal of 12659295641 is 14659295621.

It is a happy number.

12659295641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6603187600 + 6056108041 = 81260^2 + 77821^2 .

It is an emirp because it is prime and its reverse (14659295621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12659295641 - 2³⁰ = 11585553817 is a prime.

It is a super-2 number, since 2×12659295641² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12659295641.

It is not a weakly prime, because it can be changed into another prime (12659295601) 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, 6329647820 + 6329647821.

It is an arithmetic number, because the mean of its divisors is an integer number (6329647821).

Almost surely, 2^12659295641 is an apocalyptic number.

It is an amenable number.

12659295641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12659295641 is an equidigital number, since it uses as much as digits as its factorization.

12659295641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The spelling of 12659295641 in words is "twelve billion, six hundred fifty-nine million, two hundred ninety-five thousand, six hundred forty-one".