12309389247697 has 2 divisors, whose sum is σ = 12309389247698. Its totient is φ = 12309389247696.

The previous prime is 12309389247637. The next prime is 12309389247787. The reversal of 12309389247697 is 79674298390321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12255887707281 + 53501540416 = 3500841^2 + 231304^2 .

It is an emirp because it is prime and its reverse (79674298390321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12309389247697 is a prime.

It is not a weakly prime, because it can be changed into another prime (12309389247607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154694623848 + 6154694623849.

It is an arithmetic number, because the mean of its divisors is an integer number (6154694623849).

Almost surely, 2^{12309389247697} is an apocalyptic number.

It is an amenable number.

12309389247697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12309389247697 is an equidigital number, since it uses as much as digits as its factorization.

12309389247697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246903552, while the sum is 70.

The spelling of 12309389247697 in words is "twelve trillion, three hundred nine billion, three hundred eighty-nine million, two hundred forty-seven thousand, six hundred ninety-seven".