12986610293 has 2 divisors, whose sum is σ = 12986610294. Its totient is φ = 12986610292.

The previous prime is 12986610277. The next prime is 12986610317. The reversal of 12986610293 is 39201668921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8622422449 + 4364187844 = 92857^2 + 66062^2 .

It is an emirp because it is prime and its reverse (39201668921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12986610293 - 2⁴ = 12986610277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12986810293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6493305146 + 6493305147.

It is an arithmetic number, because the mean of its divisors is an integer number (6493305147).

Almost surely, 2^12986610293 is an apocalyptic number.

It is an amenable number.

12986610293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12986610293 is an equidigital number, since it uses as much as digits as its factorization.

12986610293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 12986610293 in words is "twelve billion, nine hundred eighty-six million, six hundred ten thousand, two hundred ninety-three".