13383983808 has 140 divisors (see below), whose sum is σ = 42726406800. Its totient is φ = 4118128128.

The previous prime is 13383983801. The next prime is 13383983813. The reversal of 13383983808 is 80838938331.

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

It is not an unprimeable number, because it can be changed into a prime (13383983801) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31908 + ... + 166691.

It is an arithmetic number, because the mean of its divisors is an integer number (305188620).

Almost surely, 2^13383983808 is an apocalyptic number.

13383983808 is a gapful number since it is divisible by the number (18) 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 13383983808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21363203400).

13383983808 is an abundant number, since it is smaller than the sum of its proper divisors (29342422992).

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

13383983808 is a wasteful number, since it uses less digits than its factorization.

13383983808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198636 (or 198617 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 13383983808 in words is "thirteen billion, three hundred eighty-three million, nine hundred eighty-three thousand, eight hundred eight".