13233486528 has 84 divisors (see below), whose sum is σ = 40162688280. Its totient is φ = 4151678976.

The previous prime is 13233486523. The next prime is 13233486569. The reversal of 13233486528 is 82568433231.

13233486528 is a `hidden beast` number, since 13 + 2 + 3 + 34 + 86 + 528 = 666.

It is not an unprimeable number, because it can be changed into a prime (13233486523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665938 + ... + 685521.

Almost surely, 2^13233486528 is an apocalyptic number.

13233486528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13233486528 is an abundant number, since it is smaller than the sum of its proper divisors (26929201752).

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

13233486528 is a wasteful number, since it uses less digits than its factorization.

13233486528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351494 (or 1351481 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 13233486528 in words is "thirteen billion, two hundred thirty-three million, four hundred eighty-six thousand, five hundred twenty-eight".