271871695986689 has 4 divisors (see below), whose sum is σ = 271871844773424. Its totient is φ = 271871547199956.

The previous prime is 271871695986637. The next prime is 271871695986707. The reversal of 271871695986689 is 986689596178172.

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 271871695986689 - 2³² = 271867401019393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 271871695986598 and 271871695986607.

It is not an unprimeable number, because it can be changed into a prime (271871695986089) 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, 71617967 + ... + 75318500.

It is an arithmetic number, because the mean of its divisors is an integer number (67967961193356).

Almost surely, 2^{271871695986689} is an apocalyptic number.

It is an amenable number.

271871695986689 is a deficient number, since it is larger than the sum of its proper divisors (148786735).

271871695986689 is a wasteful number, since it uses less digits than its factorization.

271871695986689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148786734.

The product of its digits is 39504568320, while the sum is 92.

The spelling of 271871695986689 in words is "two hundred seventy-one trillion, eight hundred seventy-one billion, six hundred ninety-five million, nine hundred eighty-six thousand, six hundred eighty-nine".