12439539783043 has 2 divisors, whose sum is σ = 12439539783044. Its totient is φ = 12439539783042.

The previous prime is 12439539783007. The next prime is 12439539783079. The reversal of 12439539783043 is 34038793593421.

It is a balanced prime because it is at equal distance from previous prime (12439539783007) and next prime (12439539783079).

It is an emirp because it is prime and its reverse (34038793593421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12439539783043 - 2⁹ = 12439539782531 is a prime.

It is not a weakly prime, because it can be changed into another prime (12439539784043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6219769891521 + 6219769891522.

It is an arithmetic number, because the mean of its divisors is an integer number (6219769891522).

Almost surely, 2^{12439539783043} is an apocalyptic number.

12439539783043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12439539783043 is an equidigital number, since it uses as much as digits as its factorization.

12439539783043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58786560, while the sum is 61.

The spelling of 12439539783043 in words is "twelve trillion, four hundred thirty-nine billion, five hundred thirty-nine million, seven hundred eighty-three thousand, forty-three".