13208654018689 has 8 divisors (see below), whose sum is σ = 13497437536128. Its totient is φ = 12920193348240.

The previous prime is 13208654018639. The next prime is 13208654018701. The reversal of 13208654018689 is 98681045680231.

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

It is a cyclic number.

It is not a de Polignac number, because 13208654018689 - 2²¹ = 13208651921537 is a prime.

It is a super-2 number, since 2×13208654018689² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13208654018639) 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, 80629027 + ... + 80792680.

It is an arithmetic number, because the mean of its divisors is an integer number (1687179692016).

Almost surely, 2^{13208654018689} is an apocalyptic number.

It is an amenable number.

13208654018689 is a deficient number, since it is larger than the sum of its proper divisors (288783517439).

13208654018689 is a wasteful number, since it uses less digits than its factorization.

13208654018689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161423495.

The product of its (nonzero) digits is 19906560, while the sum is 61.

The spelling of 13208654018689 in words is "thirteen trillion, two hundred eight billion, six hundred fifty-four million, eighteen thousand, six hundred eighty-nine".