13494517989 has 16 divisors (see below), whose sum is σ = 18176840640. Its totient is φ = 8904329600.

The previous prime is 13494517919. The next prime is 13494518069. The reversal of 13494517989 is 98971549431.

It is a cyclic number.

It is not a de Polignac number, because 13494517989 - 2¹¹ = 13494515941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13494517919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1285249 + ... + 1295705.

It is an arithmetic number, because the mean of its divisors is an integer number (1136052540).

Almost surely, 2^13494517989 is an apocalyptic number.

It is an amenable number.

13494517989 is a deficient number, since it is larger than the sum of its proper divisors (4682322651).

13494517989 is a wasteful number, since it uses less digits than its factorization.

13494517989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14820.

The product of its digits is 9797760, while the sum is 60.

The spelling of 13494517989 in words is "thirteen billion, four hundred ninety-four million, five hundred seventeen thousand, nine hundred eighty-nine".