12386000309 has 2 divisors, whose sum is σ = 12386000310. Its totient is φ = 12386000308.

The previous prime is 12386000303. The next prime is 12386000441. The reversal of 12386000309 is 90300068321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12299919025 + 86081284 = 110905^2 + 9278^2 .

It is a cyclic number.

It is not a de Polignac number, because 12386000309 - 2⁴ = 12386000293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12386000303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6193000154 + 6193000155.

It is an arithmetic number, because the mean of its divisors is an integer number (6193000155).

Almost surely, 2^12386000309 is an apocalyptic number.

It is an amenable number.

12386000309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12386000309 is an equidigital number, since it uses as much as digits as its factorization.

12386000309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 12386000309 in words is "twelve billion, three hundred eighty-six million, three hundred nine", and thus it is an aban number.