13709869056 has 304 divisors, whose sum is σ = 44040108000. Its totient is φ = 4190109696.

The previous prime is 13709869031. The next prime is 13709869057. The reversal of 13709869056 is 65096890731.

It is a super-2 number, since 2×13709869056² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 13709868993 and 13709869011.

It is not an unprimeable number, because it can be changed into a prime (13709869057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92012470 + ... + 92012618.

Almost surely, 2^13709869056 is an apocalyptic number.

13709869056 is a gapful number since it is divisible by the number (16) 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 13709869056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22020054000).

13709869056 is an abundant number, since it is smaller than the sum of its proper divisors (30330238944).

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

13709869056 is an frugal number, since it uses more digits than its factorization.

13709869056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 13709869056 in words is "thirteen billion, seven hundred nine million, eight hundred sixty-nine thousand, fifty-six".