12068437639 has 2 divisors, whose sum is σ = 12068437640. Its totient is φ = 12068437638.

The previous prime is 12068437627. The next prime is 12068437813. The reversal of 12068437639 is 93673486021.

It is a weak prime.

It is an emirp because it is prime and its reverse (93673486021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12068437639 - 2⁹ = 12068437127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12068437592 and 12068437601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12068437039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6034218819 + 6034218820.

It is an arithmetic number, because the mean of its divisors is an integer number (6034218820).

Almost surely, 2^12068437639 is an apocalyptic number.

12068437639 is a deficient number, since it is larger than the sum of its proper divisors (1).

12068437639 is an equidigital number, since it uses as much as digits as its factorization.

12068437639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 12068437639 in words is "twelve billion, sixty-eight million, four hundred thirty-seven thousand, six hundred thirty-nine".