13525782696 has 96 divisors (see below), whose sum is σ = 37063901160. Its totient is φ = 4455714816.

The previous prime is 13525782689. The next prime is 13525782713. The reversal of 13525782696 is 69628752531.

13525782696 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 578 + 2 + 69 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9302602500 + 4223180196 = 96450^2 + 64986^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3032500 + ... + 3036956.

Almost surely, 2^13525782696 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 13525782696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18531950580).

13525782696 is an abundant number, since it is smaller than the sum of its proper divisors (23538118464).

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

13525782696 is a wasteful number, since it uses less digits than its factorization.

13525782696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955 (or 4948 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 13525782696 in words is "thirteen billion, five hundred twenty-five million, seven hundred eighty-two thousand, six hundred ninety-six".