13242421043389 has 2 divisors, whose sum is σ = 13242421043390. Its totient is φ = 13242421043388.

The previous prime is 13242421043353. The next prime is 13242421043413. The reversal of 13242421043389 is 98334012424231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6767854280100 + 6474566763289 = 2601510^2 + 2544517^2 .

It is a cyclic number.

It is not a de Polignac number, because 13242421043389 - 2¹³ = 13242421035197 is a prime.

It is a super-2 number, since 2×13242421043389² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13242421043309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621210521694 + 6621210521695.

It is an arithmetic number, because the mean of its divisors is an integer number (6621210521695).

Almost surely, 2^{13242421043389} is an apocalyptic number.

It is an amenable number.

13242421043389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13242421043389 is an equidigital number, since it uses as much as digits as its factorization.

13242421043389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 13242421043389 in words is "thirteen trillion, two hundred forty-two billion, four hundred twenty-one million, forty-three thousand, three hundred eighty-nine".