13677280971 has 4 divisors (see below), whose sum is σ = 18236374632. Its totient is φ = 9118187312.

The previous prime is 13677280921. The next prime is 13677280999. The reversal of 13677280971 is 17908277631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17908277631 = 3 ⋅5969425877.

It is a cyclic number.

It is not a de Polignac number, because 13677280971 - 2²⁵ = 13643726539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13677280921) 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, 2279546826 + ... + 2279546831.

It is an arithmetic number, because the mean of its divisors is an integer number (4559093658).

Almost surely, 2^13677280971 is an apocalyptic number.

13677280971 is a deficient number, since it is larger than the sum of its proper divisors (4559093661).

13677280971 is an equidigital number, since it uses as much as digits as its factorization.

13677280971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559093660.

The product of its (nonzero) digits is 889056, while the sum is 51.

The spelling of 13677280971 in words is "thirteen billion, six hundred seventy-seven million, two hundred eighty thousand, nine hundred seventy-one".