13609583522 has 4 divisors (see below), whose sum is σ = 20414375286. Its totient is φ = 6804791760.

The previous prime is 13609583503. The next prime is 13609583527. The reversal of 13609583522 is 22538590631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22538590631 = 53 ⋅425256427.

It can be written as a sum of positive squares in only one way, i.e., 8811389161 + 4798194361 = 93869^2 + 69269^2 .

It is not an unprimeable number, because it can be changed into a prime (13609583527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402395879 + ... + 3402395882.

Almost surely, 2^13609583522 is an apocalyptic number.

13609583522 is a deficient number, since it is larger than the sum of its proper divisors (6804791764).

13609583522 is an equidigital number, since it uses as much as digits as its factorization.

13609583522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804791763.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 13609583522 in words is "thirteen billion, six hundred nine million, five hundred eighty-three thousand, five hundred twenty-two".