13291243495 has 4 divisors (see below), whose sum is σ = 15949492200. Its totient is φ = 10632994792.

The previous prime is 13291243453. The next prime is 13291243543. The reversal of 13291243495 is 59434219231.

13291243495 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 13291243495 - 2¹⁹ = 13290719207 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 1329124345 + ... + 1329124354.

It is an arithmetic number, because the mean of its divisors is an integer number (3987373050).

Almost surely, 2^13291243495 is an apocalyptic number.

13291243495 is a deficient number, since it is larger than the sum of its proper divisors (2658248705).

13291243495 is an equidigital number, since it uses as much as digits as its factorization.

13291243495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658248704.

The product of its digits is 233280, while the sum is 43.

The spelling of 13291243495 in words is "thirteen billion, two hundred ninety-one million, two hundred forty-three thousand, four hundred ninety-five".