13389935488 has 128 divisors (see below), whose sum is σ = 28791417600. Its totient is φ = 6180495360.

The previous prime is 13389935467. The next prime is 13389935549. The reversal of 13389935488 is 88453998331.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30500773 + ... + 30501211.

It is an arithmetic number, because the mean of its divisors is an integer number (224932950).

Almost surely, 2^13389935488 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 13389935488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14395708800).

13389935488 is an abundant number, since it is smaller than the sum of its proper divisors (15401482112).

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

13389935488 is a wasteful number, since it uses less digits than its factorization.

13389935488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 696 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 61.

The spelling of 13389935488 in words is "thirteen billion, three hundred eighty-nine million, nine hundred thirty-five thousand, four hundred eighty-eight".