13389547968 has 112 divisors (see below), whose sum is σ = 39540444160. Its totient is φ = 4443040512.

The previous prime is 13389547949. The next prime is 13389548089. The reversal of 13389547968 is 86974598331.

13389547968 is a `hidden beast` number, since 1 + 3 + 3 + 89 + 547 + 9 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367971 + ... + 402717.

It is an arithmetic number, because the mean of its divisors is an integer number (353039680).

Almost surely, 2^13389547968 is an apocalyptic number.

13389547968 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 13389547968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19770222080).

13389547968 is an abundant number, since it is smaller than the sum of its proper divisors (26150896192).

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

13389547968 is a wasteful number, since it uses less digits than its factorization.

13389547968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34991 (or 34975 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 13389547968 in words is "thirteen billion, three hundred eighty-nine million, five hundred forty-seven thousand, nine hundred sixty-eight".