12385747399 has 2 divisors, whose sum is σ = 12385747400. Its totient is φ = 12385747398.

The previous prime is 12385747369. The next prime is 12385747453. The reversal of 12385747399 is 99374758321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12385747399 - 2⁹ = 12385746887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12385747369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6192873699 + 6192873700.

It is an arithmetic number, because the mean of its divisors is an integer number (6192873700).

Almost surely, 2^12385747399 is an apocalyptic number.

12385747399 is a deficient number, since it is larger than the sum of its proper divisors (1).

12385747399 is an equidigital number, since it uses as much as digits as its factorization.

12385747399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 58.

The spelling of 12385747399 in words is "twelve billion, three hundred eighty-five million, seven hundred forty-seven thousand, three hundred ninety-nine".