13391318648 has 16 divisors (see below), whose sum is σ = 25721130960. Its totient is φ = 6532350400.

The previous prime is 13391318639. The next prime is 13391318701. The reversal of 13391318648 is 84681319331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20413268 + ... + 20413923.

It is an arithmetic number, because the mean of its divisors is an integer number (1607570685).

Almost surely, 2^13391318648 is an apocalyptic number.

It is an amenable number.

13391318648 is a deficient number, since it is larger than the sum of its proper divisors (12329812312).

13391318648 is a wasteful number, since it uses less digits than its factorization.

13391318648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40827238 (or 40827234 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The spelling of 13391318648 in words is "thirteen billion, three hundred ninety-one million, three hundred eighteen thousand, six hundred forty-eight".