13569442848 has 144 divisors (see below), whose sum is σ = 43363494720. Its totient is φ = 3993656832.

The previous prime is 13569442847. The next prime is 13569442927. The reversal of 13569442848 is 84824496531.

13569442848 is a `hidden beast` number, since 1 + 356 + 9 + 4 + 4 + 284 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×13569442848² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13569442794 and 13569442803.

It is not an unprimeable number, because it can be changed into a prime (13569442847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7323 + ... + 164901.

It is an arithmetic number, because the mean of its divisors is an integer number (301135380).

Almost surely, 2^13569442848 is an apocalyptic number.

13569442848 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 13569442848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21681747360).

13569442848 is an abundant number, since it is smaller than the sum of its proper divisors (29794051872).

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

13569442848 is a wasteful number, since it uses less digits than its factorization.

13569442848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157631 (or 157620 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The spelling of 13569442848 in words is "thirteen billion, five hundred sixty-nine million, four hundred forty-two thousand, eight hundred forty-eight".