13909412771 has 8 divisors (see below), whose sum is σ = 14518141440. Its totient is φ = 13301015112.

The previous prime is 13909412749. The next prime is 13909412779. The reversal of 13909412771 is 17721490931.

13909412771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13909412771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13909412779) 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 7 ways as a sum of consecutive naturals, for example, 5126 + ... + 166868.

It is an arithmetic number, because the mean of its divisors is an integer number (1814767680).

Almost surely, 2^13909412771 is an apocalyptic number.

13909412771 is a deficient number, since it is larger than the sum of its proper divisors (608728669).

13909412771 is a wasteful number, since it uses less digits than its factorization.

13909412771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165505.

The product of its (nonzero) digits is 95256, while the sum is 44.

The spelling of 13909412771 in words is "thirteen billion, nine hundred nine million, four hundred twelve thousand, seven hundred seventy-one".