13608354836 has 24 divisors (see below), whose sum is σ = 24341592744. Its totient is φ = 6654435840.

The previous prime is 13608354833. The next prime is 13608354853. The reversal of 13608354836 is 63845380631.

It can be written as a sum of positive squares in 4 ways, for example, as 1693322500 + 11915032336 = 41150^2 + 109156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13608354833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36185 + ... + 168896.

It is an arithmetic number, because the mean of its divisors is an integer number (1014233031).

Almost surely, 2^13608354836 is an apocalyptic number.

It is an amenable number.

13608354836 is a deficient number, since it is larger than the sum of its proper divisors (10733237908).

13608354836 is a wasteful number, since it uses less digits than its factorization.

13608354836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205451 (or 205449 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 13608354836 in words is "thirteen billion, six hundred eight million, three hundred fifty-four thousand, eight hundred thirty-six".