13605505636 has 24 divisors (see below), whose sum is σ = 25473647360. Its totient is φ = 6339060000.

The previous prime is 13605505619. The next prime is 13605505679. The reversal of 13605505636 is 63650550631.

13605505636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13605505636² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1462740 + ... + 1472011.

Almost surely, 2^13605505636 is an apocalyptic number.

It is an amenable number.

13605505636 is a deficient number, since it is larger than the sum of its proper divisors (11868141724).

13605505636 is a wasteful number, since it uses less digits than its factorization.

13605505636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934835 (or 2934833 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 13605505636 in words is "thirteen billion, six hundred five million, five hundred five thousand, six hundred thirty-six".