13786814409 has 16 divisors (see below), whose sum is σ = 19382926080. Its totient is φ = 8692606800.

The previous prime is 13786814407. The next prime is 13786814417. The reversal of 13786814409 is 90441868731.

13786814409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13786814409 - 2¹ = 13786814407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13786814407) 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 15 ways as a sum of consecutive naturals, for example, 172567 + ... + 239484.

It is an arithmetic number, because the mean of its divisors is an integer number (1211432880).

Almost surely, 2^13786814409 is an apocalyptic number.

13786814409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13786814409 is a deficient number, since it is larger than the sum of its proper divisors (5596111671).

13786814409 is a wasteful number, since it uses less digits than its factorization.

13786814409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412660.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 13786814409 in words is "thirteen billion, seven hundred eighty-six million, eight hundred fourteen thousand, four hundred nine".