12338071391 has 2 divisors, whose sum is σ = 12338071392. Its totient is φ = 12338071390.

The previous prime is 12338071387. The next prime is 12338071457. The reversal of 12338071391 is 19317083321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12338071391 - 2² = 12338071387 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12338071891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6169035695 + 6169035696.

It is an arithmetic number, because the mean of its divisors is an integer number (6169035696).

Almost surely, 2^12338071391 is an apocalyptic number.

12338071391 is a deficient number, since it is larger than the sum of its proper divisors (1).

12338071391 is an equidigital number, since it uses as much as digits as its factorization.

12338071391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 12338071391 in words is "twelve billion, three hundred thirty-eight million, seventy-one thousand, three hundred ninety-one".