13168983709 has 16 divisors (see below), whose sum is σ = 15170976000. Its totient is φ = 11197367424.

The previous prime is 13168983679. The next prime is 13168983713. The reversal of 13168983709 is 90738986131.

It is a cyclic number.

It is not a de Polignac number, because 13168983709 - 2¹⁷ = 13168852637 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 13168983709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13168983739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835984 + ... + 851590.

It is an arithmetic number, because the mean of its divisors is an integer number (948186000).

Almost surely, 2^13168983709 is an apocalyptic number.

It is an amenable number.

13168983709 is a deficient number, since it is larger than the sum of its proper divisors (2001992291).

13168983709 is a wasteful number, since it uses less digits than its factorization.

13168983709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16572.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 13168983709 in words is "thirteen billion, one hundred sixty-eight million, nine hundred eighty-three thousand, seven hundred nine".