13236492568 has 64 divisors (see below), whose sum is σ = 27302536800. Its totient is φ = 5979018240.

The previous prime is 13236492551. The next prime is 13236492569. The reversal of 13236492568 is 86529463231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13236492569) 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, 987898 + ... + 1001206.

Almost surely, 2^13236492568 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 13236492568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13651268400).

13236492568 is an abundant number, since it is smaller than the sum of its proper divisors (14066044232).

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

13236492568 is a wasteful number, since it uses less digits than its factorization.

13236492568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13532 (or 13528 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The spelling of 13236492568 in words is "thirteen billion, two hundred thirty-six million, four hundred ninety-two thousand, five hundred sixty-eight".