12382838749 has 2 divisors, whose sum is σ = 12382838750. Its totient is φ = 12382838748.

The previous prime is 12382838719. The next prime is 12382838761. The reversal of 12382838749 is 94783828321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6836313124 + 5546525625 = 82682^2 + 74475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12382838749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12382838749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12382838719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6191419374 + 6191419375.

It is an arithmetic number, because the mean of its divisors is an integer number (6191419375).

Almost surely, 2^12382838749 is an apocalyptic number.

It is an amenable number.

12382838749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12382838749 is an equidigital number, since it uses as much as digits as its factorization.

12382838749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 55.

The spelling of 12382838749 in words is "twelve billion, three hundred eighty-two million, eight hundred thirty-eight thousand, seven hundred forty-nine".