13494337909 has 16 divisors (see below), whose sum is σ = 15306921280. Its totient is φ = 11793237120.

The previous prime is 13494337891. The next prime is 13494337921. The reversal of 13494337909 is 90973349431.

It is a cyclic number.

It is not a de Polignac number, because 13494337909 - 2¹¹ = 13494335861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13494337939) 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, 392794 + ... + 425764.

It is an arithmetic number, because the mean of its divisors is an integer number (956682580).

Almost surely, 2^13494337909 is an apocalyptic number.

13494337909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13494337909 is a deficient number, since it is larger than the sum of its proper divisors (1812583371).

13494337909 is a wasteful number, since it uses less digits than its factorization.

13494337909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34660.

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 13494337909 in words is "thirteen billion, four hundred ninety-four million, three hundred thirty-seven thousand, nine hundred nine".