13869532928 has 72 divisors (see below), whose sum is σ = 28707571200. Its totient is φ = 6680632320.

The previous prime is 13869532927. The next prime is 13869532949. The reversal of 13869532928 is 82923596831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13869532927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1797623 + ... + 1805321.

Almost surely, 2^13869532928 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 13869532928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14353785600).

13869532928 is an abundant number, since it is smaller than the sum of its proper divisors (14838038272).

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

13869532928 is an equidigital number, since it uses as much as digits as its factorization.

13869532928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7973 (or 7959 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 56.

The spelling of 13869532928 in words is "thirteen billion, eight hundred sixty-nine million, five hundred thirty-two thousand, nine hundred twenty-eight".