13109711989 has 8 divisors (see below), whose sum is σ = 14634097632. Its totient is φ = 11640758640.

The previous prime is 13109711987. The next prime is 13109712043. The reversal of 13109711989 is 98911790131.

13109711989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13109711989 - 2¹ = 13109711987 is a prime.

It is a super-2 number, since 2×13109711989² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13109711987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13857574 + ... + 13858519.

It is an arithmetic number, because the mean of its divisors is an integer number (1829262204).

Almost surely, 2^13109711989 is an apocalyptic number.

It is an amenable number.

13109711989 is a deficient number, since it is larger than the sum of its proper divisors (1524385643).

13109711989 is a wasteful number, since it uses less digits than its factorization.

13109711989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27716147.

The product of its (nonzero) digits is 122472, while the sum is 49.

The spelling of 13109711989 in words is "thirteen billion, one hundred nine million, seven hundred eleven thousand, nine hundred eighty-nine".