13286028409 has 2 divisors, whose sum is σ = 13286028410. Its totient is φ = 13286028408.

The previous prime is 13286028389. The next prime is 13286028433. The reversal of 13286028409 is 90482068231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12155724009 + 1130304400 = 110253^2 + 33620^2 .

It is a cyclic number.

It is not a de Polignac number, because 13286028409 - 2¹¹ = 13286026361 is a prime.

It is not a weakly prime, because it can be changed into another prime (13286023409) 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, 6643014204 + 6643014205.

It is an arithmetic number, because the mean of its divisors is an integer number (6643014205).

Almost surely, 2^13286028409 is an apocalyptic number.

It is an amenable number.

13286028409 is a deficient number, since it is larger than the sum of its proper divisors (1).

13286028409 is an equidigital number, since it uses as much as digits as its factorization.

13286028409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 13286028409 in words is "thirteen billion, two hundred eighty-six million, twenty-eight thousand, four hundred nine".