13401404220349 has 2 divisors, whose sum is σ = 13401404220350. Its totient is φ = 13401404220348.

The previous prime is 13401404220317. The next prime is 13401404220409. The reversal of 13401404220349 is 94302240410431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7801351748100 + 5600052472249 = 2793090^2 + 2366443^2 .

It is a cyclic number.

It is not a de Polignac number, because 13401404220349 - 2⁵ = 13401404220317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13401404220649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6700702110174 + 6700702110175.

It is an arithmetic number, because the mean of its divisors is an integer number (6700702110175).

Almost surely, 2^{13401404220349} is an apocalyptic number.

It is an amenable number.

13401404220349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13401404220349 is an equidigital number, since it uses as much as digits as its factorization.

13401404220349 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 37.

The spelling of 13401404220349 in words is "thirteen trillion, four hundred one billion, four hundred four million, two hundred twenty thousand, three hundred forty-nine".