13674868309 has 32 divisors (see below), whose sum is σ = 14957256960. Its totient is φ = 12461299200.

The previous prime is 13674868303. The next prime is 13674868327. The reversal of 13674868309 is 90386847631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13674868309 - 2³ = 13674868301 is a prime.

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 13674868309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13674868301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11272987 + ... + 11274199.

It is an arithmetic number, because the mean of its divisors is an integer number (467414280).

Almost surely, 2^13674868309 is an apocalyptic number.

13674868309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13674868309 is a deficient number, since it is larger than the sum of its proper divisors (1282388651).

13674868309 is a wasteful number, since it uses less digits than its factorization.

13674868309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 13674868309 in words is "thirteen billion, six hundred seventy-four million, eight hundred sixty-eight thousand, three hundred nine".