13293756448 has 144 divisors (see below), whose sum is σ = 32155250400. Its totient is φ = 5379333120.

The previous prime is 13293756439. The next prime is 13293756449. The reversal of 13293756448 is 84465739231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13293756395 and 13293756404.

It is not an unprimeable number, because it can be changed into a prime (13293756449) 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, 12184383 + ... + 12185473.

It is an arithmetic number, because the mean of its divisors is an integer number (223300350).

Almost surely, 2^13293756448 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 13293756448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16077625200).

13293756448 is an abundant number, since it is smaller than the sum of its proper divisors (18861493952).

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

13293756448 is a wasteful number, since it uses less digits than its factorization.

13293756448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543 (or 1528 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The spelling of 13293756448 in words is "thirteen billion, two hundred ninety-three million, seven hundred fifty-six thousand, four hundred forty-eight".