13351998481441 has 2 divisors, whose sum is σ = 13351998481442. Its totient is φ = 13351998481440.

The previous prime is 13351998481433. The next prime is 13351998481543. The reversal of 13351998481441 is 14418489915331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13331232230416 + 20766251025 = 3651196^2 + 144105^2 .

It is a cyclic number.

It is not a de Polignac number, because 13351998481441 - 2³ = 13351998481433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13351998481441.

It is not a weakly prime, because it can be changed into another prime (13351998431441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6675999240720 + 6675999240721.

It is an arithmetic number, because the mean of its divisors is an integer number (6675999240721).

Almost surely, 2^{13351998481441} is an apocalyptic number.

It is an amenable number.

13351998481441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13351998481441 is an equidigital number, since it uses as much as digits as its factorization.

13351998481441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 61.

The spelling of 13351998481441 in words is "thirteen trillion, three hundred fifty-one billion, nine hundred ninety-eight million, four hundred eighty-one thousand, four hundred forty-one".