13192889687 has 4 divisors (see below), whose sum is σ = 13193418216. Its totient is φ = 13192361160.

The previous prime is 13192889683. The next prime is 13192889713. The reversal of 13192889687 is 78698829131.

13192889687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13192889687 - 2² = 13192889683 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 (13192889681) 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 3 ways as a sum of consecutive naturals, for example, 224864 + ... + 277397.

It is an arithmetic number, because the mean of its divisors is an integer number (3298354554).

Almost surely, 2^13192889687 is an apocalyptic number.

13192889687 is a deficient number, since it is larger than the sum of its proper divisors (528529).

13192889687 is an equidigital number, since it uses as much as digits as its factorization.

13192889687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528528.

The product of its digits is 10450944, while the sum is 62.

The spelling of 13192889687 in words is "thirteen billion, one hundred ninety-two million, eight hundred eighty-nine thousand, six hundred eighty-seven".