13993684848 has 240 divisors, whose sum is σ = 47549074720. Its totient is φ = 3914127360.

The previous prime is 13993684843. The next prime is 13993684891. The reversal of 13993684848 is 84848639931.

13993684848 is a `hidden beast` number, since 1 + 3 + 9 + 93 + 68 + 484 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13993684843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 669240 + ... + 689832.

Almost surely, 2^13993684848 is an apocalyptic number.

13993684848 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 13993684848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23774537360).

13993684848 is an abundant number, since it is smaller than the sum of its proper divisors (33555389872).

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

13993684848 is a wasteful number, since it uses less digits than its factorization.

13993684848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20645 (or 20622 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The spelling of 13993684848 in words is "thirteen billion, nine hundred ninety-three million, six hundred eighty-four thousand, eight hundred forty-eight".