13523874722 has 6 divisors (see below), whose sum is σ = 20286058779. Its totient is φ = 6761855130.

The previous prime is 13523874677. The next prime is 13523874737. The reversal of 13523874722 is 22747832531.

13523874722 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 only one way, i.e., 6761937361 + 6761937361 = 82231^2 + 82231^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=82231.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 123347 + ... + 205577.

Almost surely, 2^13523874722 is an apocalyptic number.

13523874722 is a deficient number, since it is larger than the sum of its proper divisors (6762184057).

13523874722 is an frugal number, since it uses more digits than its factorization.

13523874722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164464 (or 82233 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The spelling of 13523874722 in words is "thirteen billion, five hundred twenty-three million, eight hundred seventy-four thousand, seven hundred twenty-two".