13473808321 has 2 divisors, whose sum is σ = 13473808322. Its totient is φ = 13473808320.

The previous prime is 13473808307. The next prime is 13473808367. The reversal of 13473808321 is 12380837431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11551950400 + 1921857921 = 107480^2 + 43839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13473808321 is a prime.

It is not a weakly prime, because it can be changed into another prime (13473808301) 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, 6736904160 + 6736904161.

It is an arithmetic number, because the mean of its divisors is an integer number (6736904161).

Almost surely, 2^13473808321 is an apocalyptic number.

It is an amenable number.

13473808321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13473808321 is an equidigital number, since it uses as much as digits as its factorization.

13473808321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 13473808321 in words is "thirteen billion, four hundred seventy-three million, eight hundred eight thousand, three hundred twenty-one".