13403104021 has 2 divisors, whose sum is σ = 13403104022. Its totient is φ = 13403104020.

The previous prime is 13403104009. The next prime is 13403104031. The reversal of 13403104021 is 12040130431.

13403104021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12681912996 + 721191025 = 112614^2 + 26855^2 .

It is a cyclic number.

It is not a de Polignac number, because 13403104021 - 2¹⁹ = 13402579733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13403104021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13403104031) 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, 6701552010 + 6701552011.

It is an arithmetic number, because the mean of its divisors is an integer number (6701552011).

Almost surely, 2^13403104021 is an apocalyptic number.

It is an amenable number.

13403104021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13403104021 is an equidigital number, since it uses as much as digits as its factorization.

13403104021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13403104021 its reverse (12040130431), we get a palindrome (25443234452).

The spelling of 13403104021 in words is "thirteen billion, four hundred three million, one hundred four thousand, twenty-one".