13529252928 has 56 divisors (see below), whose sum is σ = 35806331232. Its totient is φ = 4508468224.

The previous prime is 13529252911. The next prime is 13529252929. The reversal of 13529252928 is 82925292531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (13529252929) 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, 865276 + ... + 880772.

It is an arithmetic number, because the mean of its divisors is an integer number (639398772).

Almost surely, 2^13529252928 is an apocalyptic number.

It is an amenable number.

13529252928 is an abundant number, since it is smaller than the sum of its proper divisors (22277078304).

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

13529252928 is a wasteful number, since it uses less digits than its factorization.

13529252928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20059 (or 20049 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The spelling of 13529252928 in words is "thirteen billion, five hundred twenty-nine million, two hundred fifty-two thousand, nine hundred twenty-eight".