13686173769 has 8 divisors (see below), whose sum is σ = 18253772992. Its totient is φ = 9121345200.

The previous prime is 13686173693. The next prime is 13686173807. The reversal of 13686173769 is 96737168631.

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

It is not a de Polignac number, because 13686173769 - 2¹⁷ = 13686042697 is a prime.

It is a super-2 number, since 2×13686173769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13686173269) 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, 681109 + ... + 700914.

It is an arithmetic number, because the mean of its divisors is an integer number (2281721624).

Almost surely, 2^13686173769 is an apocalyptic number.

It is an amenable number.

13686173769 is a deficient number, since it is larger than the sum of its proper divisors (4567599223).

13686173769 is a wasteful number, since it uses less digits than its factorization.

13686173769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385327.

The product of its digits is 6858432, while the sum is 57.

The spelling of 13686173769 in words is "thirteen billion, six hundred eighty-six million, one hundred seventy-three thousand, seven hundred sixty-nine".