13180732872709 has 4 divisors (see below), whose sum is σ = 13188382748416. Its totient is φ = 13173082997004.

The previous prime is 13180732872677. The next prime is 13180732872743. The reversal of 13180732872709 is 90727823708131.

13180732872709 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13180732872709 - 2⁵ = 13180732872677 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 (13180732873709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3824935269 + ... + 3824938714.

It is an arithmetic number, because the mean of its divisors is an integer number (3297095687104).

Almost surely, 2^{13180732872709} is an apocalyptic number.

It is an amenable number.

13180732872709 is a deficient number, since it is larger than the sum of its proper divisors (7649875707).

13180732872709 is an equidigital number, since it uses as much as digits as its factorization.

13180732872709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649875706.

The product of its (nonzero) digits is 7112448, while the sum is 58.

The spelling of 13180732872709 in words is "thirteen trillion, one hundred eighty billion, seven hundred thirty-two million, eight hundred seventy-two thousand, seven hundred nine".