13404061217 has 2 divisors, whose sum is σ = 13404061218. Its totient is φ = 13404061216.

The previous prime is 13404061189. The next prime is 13404061241. The reversal of 13404061217 is 71216040431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11294588176 + 2109473041 = 106276^2 + 45929^2 .

It is a cyclic number.

It is not a de Polignac number, because 13404061217 - 2¹⁶ = 13403995681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13404061217.

It is not a weakly prime, because it can be changed into another prime (13404067217) 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, 6702030608 + 6702030609.

It is an arithmetic number, because the mean of its divisors is an integer number (6702030609).

Almost surely, 2^13404061217 is an apocalyptic number.

It is an amenable number.

13404061217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13404061217 is an equidigital number, since it uses as much as digits as its factorization.

13404061217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 13404061217 in words is "thirteen billion, four hundred four million, sixty-one thousand, two hundred seventeen".