13342420110449 has 2 divisors, whose sum is σ = 13342420110450. Its totient is φ = 13342420110448.

The previous prime is 13342420110403. The next prime is 13342420110451. The reversal of 13342420110449 is 94401102424331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11370552600625 + 1971867509824 = 3372025^2 + 1404232^2 .

It is an emirp because it is prime and its reverse (94401102424331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13342420110449 is a prime.

Together with 13342420110451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13342420110469) 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, 6671210055224 + 6671210055225.

It is an arithmetic number, because the mean of its divisors is an integer number (6671210055225).

Almost surely, 2^{13342420110449} is an apocalyptic number.

It is an amenable number.

13342420110449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13342420110449 is an equidigital number, since it uses as much as digits as its factorization.

13342420110449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 13342420110449 in words is "thirteen trillion, three hundred forty-two billion, four hundred twenty million, one hundred ten thousand, four hundred forty-nine".