13869823158 has 32 divisors (see below), whose sum is σ = 30830740320. Its totient is φ = 4621937760.

The previous prime is 13869823157. The next prime is 13869823171. The reversal of 13869823158 is 85132896831.

13869823158 is a `hidden beast` number, since 1 + 386 + 98 + 23 + 158 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13869823157) 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 in 15 ways as a sum of consecutive naturals, for example, 161088 + ... + 231708.

It is an arithmetic number, because the mean of its divisors is an integer number (963460635).

Almost surely, 2^13869823158 is an apocalyptic number.

13869823158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13869823158 is an abundant number, since it is smaller than the sum of its proper divisors (16960917162).

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

13869823158 is a wasteful number, since it uses less digits than its factorization.

13869823158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74269 (or 74263 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 13869823158 in words is "thirteen billion, eight hundred sixty-nine million, eight hundred twenty-three thousand, one hundred fifty-eight".