12386668069 has 2 divisors, whose sum is σ = 12386668070. Its totient is φ = 12386668068.

The previous prime is 12386668033. The next prime is 12386668079. The reversal of 12386668069 is 96086668321.

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., 6262823044 + 6123845025 = 79138^2 + 78255^2 .

It is a cyclic number.

It is not a de Polignac number, because 12386668069 - 2¹⁵ = 12386635301 is a prime.

It is a super-2 number, since 2×12386668069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12386668079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6193334034 + 6193334035.

It is an arithmetic number, because the mean of its divisors is an integer number (6193334035).

Almost surely, 2^12386668069 is an apocalyptic number.

It is an amenable number.

12386668069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12386668069 is an equidigital number, since it uses as much as digits as its factorization.

12386668069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 12386668069 in words is "twelve billion, three hundred eighty-six million, six hundred sixty-eight thousand, sixty-nine".