13869275816 has 64 divisors (see below), whose sum is σ = 29643425280. Its totient is φ = 6021766080.

The previous prime is 13869275809. The next prime is 13869275821. The reversal of 13869275816 is 61857296831.

13869275816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 1588535 + ... + 1597241.

It is an arithmetic number, because the mean of its divisors is an integer number (463178520).

Almost surely, 2^13869275816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13869275816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14821712640).

13869275816 is an abundant number, since it is smaller than the sum of its proper divisors (15774149464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13869275816 is a wasteful number, since it uses less digits than its factorization.

13869275816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534 (or 9530 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The spelling of 13869275816 in words is "thirteen billion, eight hundred sixty-nine million, two hundred seventy-five thousand, eight hundred sixteen".