13466330525 has 12 divisors (see below), whose sum is σ = 17274052500. Its totient is φ = 10401578880.

The previous prime is 13466330509. The next prime is 13466330557. The reversal of 13466330525 is 52503366431.

It can be written as a sum of positive squares in 6 ways, for example, as 406869241 + 13059461284 = 20171^2 + 114278^2 .

It is not a de Polignac number, because 13466330525 - 2⁴ = 13466330509 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9286400 + ... + 9287849.

It is an arithmetic number, because the mean of its divisors is an integer number (1439504375).

Almost surely, 2^13466330525 is an apocalyptic number.

It is an amenable number.

13466330525 is a deficient number, since it is larger than the sum of its proper divisors (3807721975).

13466330525 is a wasteful number, since it uses less digits than its factorization.

13466330525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18574288 (or 18574283 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 13466330525 its reverse (52503366431), we get a palindrome (65969696956).

The spelling of 13466330525 in words is "thirteen billion, four hundred sixty-six million, three hundred thirty thousand, five hundred twenty-five".