13609989120 has 792 divisors, whose sum is σ = 55345050144. Its totient is φ = 2844721152.

The previous prime is 13609989109. The next prime is 13609989167. The reversal of 13609989120 is 2198990631.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13609989120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 127196107 + ... + 127196213.

Almost surely, 2^13609989120 is an apocalyptic number.

13609989120 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 13609989120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27672525072).

13609989120 is an abundant number, since it is smaller than the sum of its proper divisors (41735061024).

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

13609989120 is a wasteful number, since it uses less digits than its factorization.

13609989120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The spelling of 13609989120 in words is "thirteen billion, six hundred nine million, nine hundred eighty-nine thousand, one hundred twenty".