13827732971 has 4 divisors (see below), whose sum is σ = 14891404752. Its totient is φ = 12764061192.

The previous prime is 13827732959. The next prime is 13827733001. The reversal of 13827732971 is 17923772831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17923772831 = 41 ⋅437165191.

It is a cyclic number.

It is not a de Polignac number, because 13827732971 - 2²⁶ = 13760624107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13827732271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531835871 + ... + 531835896.

It is an arithmetic number, because the mean of its divisors is an integer number (3722851188).

Almost surely, 2^13827732971 is an apocalyptic number.

13827732971 is a deficient number, since it is larger than the sum of its proper divisors (1063671781).

13827732971 is a wasteful number, since it uses less digits than its factorization.

13827732971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063671780.

The product of its digits is 889056, while the sum is 50.

The spelling of 13827732971 in words is "thirteen billion, eight hundred twenty-seven million, seven hundred thirty-two thousand, nine hundred seventy-one".