13608843117 has 8 divisors (see below), whose sum is σ = 18146411040. Its totient is φ = 9071918640.

The previous prime is 13608843097. The next prime is 13608843151. The reversal of 13608843117 is 71134880631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13608843117 - 2¹² = 13608839021 is a prime.

It is a super-2 number, since 2×13608843117² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13608843197) 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, 109134 + ... + 197807.

It is an arithmetic number, because the mean of its divisors is an integer number (2268301380).

Almost surely, 2^13608843117 is an apocalyptic number.

It is an amenable number.

13608843117 is a deficient number, since it is larger than the sum of its proper divisors (4537567923).

13608843117 is a wasteful number, since it uses less digits than its factorization.

13608843117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321723.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 13608843117 in words is "thirteen billion, six hundred eight million, eight hundred forty-three thousand, one hundred seventeen".