13523524673 has 4 divisors (see below), whose sum is σ = 13989853140. Its totient is φ = 13057196208.

The previous prime is 13523524603. The next prime is 13523524681. The reversal of 13523524673 is 37642532531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2932439104 + 10591085569 = 54152^2 + 102913^2 .

It is a cyclic number.

It is not a de Polignac number, because 13523524673 - 2¹⁴ = 13523508289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13523524673.

It is not an unprimeable number, because it can be changed into a prime (13523524603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233164190 + ... + 233164247.

It is an arithmetic number, because the mean of its divisors is an integer number (3497463285).

Almost surely, 2^13523524673 is an apocalyptic number.

It is an amenable number.

13523524673 is a deficient number, since it is larger than the sum of its proper divisors (466328467).

13523524673 is an equidigital number, since it uses as much as digits as its factorization.

13523524673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466328466.

The product of its digits is 453600, while the sum is 41.

The spelling of 13523524673 in words is "thirteen billion, five hundred twenty-three million, five hundred twenty-four thousand, six hundred seventy-three".