13463787648 has 64 divisors (see below), whose sum is σ = 35877765600. Its totient is φ = 4473550848.

The previous prime is 13463787643. The next prime is 13463787671. The reversal of 13463787648 is 84678736431.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (13463787643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64183 + ... + 176201.

Almost surely, 2^13463787648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13463787648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17938882800).

13463787648 is an abundant number, since it is smaller than the sum of its proper divisors (22413977952).

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

13463787648 is a wasteful number, since it uses less digits than its factorization.

13463787648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112349 (or 112337 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 57.

The spelling of 13463787648 in words is "thirteen billion, four hundred sixty-three million, seven hundred eighty-seven thousand, six hundred forty-eight".