13913043571 has 4 divisors (see below), whose sum is σ = 15900621232. Its totient is φ = 11925465912.

The previous prime is 13913043533. The next prime is 13913043577. The reversal of 13913043571 is 17534031931.

13913043571 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 13913043571 - 2¹³ = 13913035379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13913043571.

It is not an unprimeable number, because it can be changed into a prime (13913043577) 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, 993788820 + ... + 993788833.

It is an arithmetic number, because the mean of its divisors is an integer number (3975155308).

Almost surely, 2^13913043571 is an apocalyptic number.

13913043571 is a deficient number, since it is larger than the sum of its proper divisors (1987577661).

13913043571 is an equidigital number, since it uses as much as digits as its factorization.

13913043571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987577660.

The product of its (nonzero) digits is 34020, while the sum is 37.

The spelling of 13913043571 in words is "thirteen billion, nine hundred thirteen million, forty-three thousand, five hundred seventy-one".