13242429709 has 2 divisors, whose sum is σ = 13242429710. Its totient is φ = 13242429708.

The previous prime is 13242429691. The next prime is 13242429751. The reversal of 13242429709 is 90792424231.

13242429709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11040755625 + 2201674084 = 105075^2 + 46922^2 .

It is an emirp because it is prime and its reverse (90792424231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13242429709 - 2⁹ = 13242429197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13242423709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621214854 + 6621214855.

It is an arithmetic number, because the mean of its divisors is an integer number (6621214855).

Almost surely, 2^13242429709 is an apocalyptic number.

It is an amenable number.

13242429709 is a deficient number, since it is larger than the sum of its proper divisors (1).

13242429709 is an equidigital number, since it uses as much as digits as its factorization.

13242429709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 13242429709 in words is "thirteen billion, two hundred forty-two million, four hundred twenty-nine thousand, seven hundred nine".