12389538743 has 2 divisors, whose sum is σ = 12389538744. Its totient is φ = 12389538742.

The previous prime is 12389538719. The next prime is 12389538767. The reversal of 12389538743 is 34783598321.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12389538719) and next prime (12389538767).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12389538743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12389538713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6194769371 + 6194769372.

It is an arithmetic number, because the mean of its divisors is an integer number (6194769372).

Almost surely, 2^12389538743 is an apocalyptic number.

12389538743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12389538743 is an equidigital number, since it uses as much as digits as its factorization.

12389538743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 53.

The spelling of 12389538743 in words is "twelve billion, three hundred eighty-nine million, five hundred thirty-eight thousand, seven hundred forty-three".