12338554717 has 2 divisors, whose sum is σ = 12338554718. Its totient is φ = 12338554716.

The previous prime is 12338554699. The next prime is 12338554741. The reversal of 12338554717 is 71745583321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12304577476 + 33977241 = 110926^2 + 5829^2 .

It is an emirp because it is prime and its reverse (71745583321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12338554717 - 2¹⁹ = 12338030429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12338554747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6169277358 + 6169277359.

It is an arithmetic number, because the mean of its divisors is an integer number (6169277359).

Almost surely, 2^12338554717 is an apocalyptic number.

It is an amenable number.

12338554717 is a deficient number, since it is larger than the sum of its proper divisors (1).

12338554717 is an equidigital number, since it uses as much as digits as its factorization.

12338554717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 46.

The spelling of 12338554717 in words is "twelve billion, three hundred thirty-eight million, five hundred fifty-four thousand, seven hundred seventeen".