13917173709 has 16 divisors (see below), whose sum is σ = 19654202880. Its totient is φ = 8729487360.

The previous prime is 13917173693. The next prime is 13917173723. The reversal of 13917173709 is 90737171931.

It is not a de Polignac number, because 13917173709 - 2⁴ = 13917173693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13917173509) 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, 118564 + ... + 204674.

It is an arithmetic number, because the mean of its divisors is an integer number (1228387680).

Almost surely, 2^13917173709 is an apocalyptic number.

It is an amenable number.

13917173709 is a deficient number, since it is larger than the sum of its proper divisors (5737029171).

13917173709 is a wasteful number, since it uses less digits than its factorization.

13917173709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89300.

The product of its (nonzero) digits is 250047, while the sum is 48.

The spelling of 13917173709 in words is "thirteen billion, nine hundred seventeen million, one hundred seventy-three thousand, seven hundred nine".