12865574342893 has 2 divisors, whose sum is σ = 12865574342894. Its totient is φ = 12865574342892.

The previous prime is 12865574342833. The next prime is 12865574342911. The reversal of 12865574342893 is 39824347556821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12503317216009 + 362257126884 = 3536003^2 + 601878^2 .

It is a cyclic number.

It is not a de Polignac number, because 12865574342893 - 2⁹ = 12865574342381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12865574342833) 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, 6432787171446 + 6432787171447.

It is an arithmetic number, because the mean of its divisors is an integer number (6432787171447).

Almost surely, 2^{12865574342893} is an apocalyptic number.

It is an amenable number.

12865574342893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12865574342893 is an equidigital number, since it uses as much as digits as its factorization.

12865574342893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 348364800, while the sum is 67.

The spelling of 12865574342893 in words is "twelve trillion, eight hundred sixty-five billion, five hundred seventy-four million, three hundred forty-two thousand, eight hundred ninety-three".