13686961969 has 8 divisors (see below), whose sum is σ = 14327684352. Its totient is φ = 13050042720.

The previous prime is 13686961949. The next prime is 13686961991. The reversal of 13686961969 is 96916968631.

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 13686961969 - 2²⁷ = 13552744241 is a prime.

It is a super-2 number, since 2×13686961969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13686961969.

It is not an unprimeable number, because it can be changed into a prime (13686961949) 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, 943417 + ... + 957814.

It is an arithmetic number, because the mean of its divisors is an integer number (1790960544).

Almost surely, 2^13686961969 is an apocalyptic number.

It is an amenable number.

13686961969 is a deficient number, since it is larger than the sum of its proper divisors (640722383).

13686961969 is a wasteful number, since it uses less digits than its factorization.

13686961969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901567.

The product of its digits is 22674816, while the sum is 64.

The spelling of 13686961969 in words is "thirteen billion, six hundred eighty-six million, nine hundred sixty-one thousand, nine hundred sixty-nine".