13439698580 has 96 divisors (see below), whose sum is σ = 35669894400. Its totient is φ = 4131578880.

The previous prime is 13439698577. The next prime is 13439698603. The reversal of 13439698580 is 8589693431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52646 + ... + 172194.

It is an arithmetic number, because the mean of its divisors is an integer number (371561400).

Almost surely, 2^13439698580 is an apocalyptic number.

13439698580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13439698580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17834947200).

13439698580 is an abundant number, since it is smaller than the sum of its proper divisors (22230195820).

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

13439698580 is a wasteful number, since it uses less digits than its factorization.

13439698580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119649 (or 119647 counting only the distinct ones).

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

The spelling of 13439698580 in words is "thirteen billion, four hundred thirty-nine million, six hundred ninety-eight thousand, five hundred eighty".