13366685889 has 12 divisors (see below), whose sum is σ = 19778348772. Its totient is φ = 8693779200.

The previous prime is 13366685881. The next prime is 13366685903. The reversal of 13366685889 is 98858666331.

13366685889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 585252864 + 12781433025 = 24192^2 + 113055^2 .

It is not a de Polignac number, because 13366685889 - 2³ = 13366685881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13366685881) 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 in 11 ways as a sum of consecutive naturals, for example, 18111672 + ... + 18112409.

It is an arithmetic number, because the mean of its divisors is an integer number (1648195731).

Almost surely, 2^13366685889 is an apocalyptic number.

It is an amenable number.

13366685889 is a deficient number, since it is larger than the sum of its proper divisors (6411662883).

13366685889 is a wasteful number, since it uses less digits than its factorization.

13366685889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36224128 (or 36224125 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 13366685889 in words is "thirteen billion, three hundred sixty-six million, six hundred eighty-five thousand, eight hundred eighty-nine".