13280769893 has 2 divisors, whose sum is σ = 13280769894. Its totient is φ = 13280769892.

The previous prime is 13280769851. The next prime is 13280770003. The reversal of 13280769893 is 39896708231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11003380609 + 2277389284 = 104897^2 + 47722^2 .

It is a cyclic number.

It is not a de Polignac number, because 13280769893 - 2⁶ = 13280769829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13280769793) 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, 6640384946 + 6640384947.

It is an arithmetic number, because the mean of its divisors is an integer number (6640384947).

Almost surely, 2^13280769893 is an apocalyptic number.

It is an amenable number.

13280769893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13280769893 is an equidigital number, since it uses as much as digits as its factorization.

13280769893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 13280769893 in words is "thirteen billion, two hundred eighty million, seven hundred sixty-nine thousand, eight hundred ninety-three".