13411444330981 has 2 divisors, whose sum is σ = 13411444330982. Its totient is φ = 13411444330980.

The previous prime is 13411444330979. The next prime is 13411444331023. The reversal of 13411444330981 is 18903344411431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12763177808481 + 648266522500 = 3572559^2 + 805150^2 .

It is a cyclic number.

It is not a de Polignac number, because 13411444330981 - 2¹ = 13411444330979 is a prime.

It is a super-2 number, since 2×13411444330981² (a number of 27 digits) contains 22 as substring.

Together with 13411444330979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13411444337981) 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, 6705722165490 + 6705722165491.

It is an arithmetic number, because the mean of its divisors is an integer number (6705722165491).

Almost surely, 2^{13411444330981} is an apocalyptic number.

It is an amenable number.

13411444330981 is a deficient number, since it is larger than the sum of its proper divisors (1).

13411444330981 is an equidigital number, since it uses as much as digits as its factorization.

13411444330981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 13411444330981 in words is "thirteen trillion, four hundred eleven billion, four hundred forty-four million, three hundred thirty thousand, nine hundred eighty-one".