13201634725 has 6 divisors (see below), whose sum is σ = 16370027090. Its totient is φ = 10561307760.

The previous prime is 13201634713. The next prime is 13201634729. The reversal of 13201634725 is 52743610231.

13201634725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 508908481 + 12692726244 = 22559^2 + 112662^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13201634725 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201634729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264032670 + ... + 264032719.

Almost surely, 2^13201634725 is an apocalyptic number.

It is an amenable number.

13201634725 is a deficient number, since it is larger than the sum of its proper divisors (3168392365).

13201634725 is an equidigital number, since it uses as much as digits as its factorization.

13201634725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528065399 (or 528065394 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 13201634725 in words is "thirteen billion, two hundred one million, six hundred thirty-four thousand, seven hundred twenty-five".