271691089 has 8 divisors (see below), whose sum is σ = 286861280. Its totient is φ = 256608000.

The previous prime is 271691081. The next prime is 271691113. The reversal of 271691089 is 980196172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 271691089 - 2³ = 271691081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271691081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15312 + ... + 27889.

It is an arithmetic number, because the mean of its divisors is an integer number (35857660).

Almost surely, 2^271691089 is an apocalyptic number.

It is an amenable number.

271691089 is a deficient number, since it is larger than the sum of its proper divisors (15170191).

271691089 is a wasteful number, since it uses less digits than its factorization.

271691089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43551.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 271691089 is about 16483.0546016204. The cubic root of 271691089 is about 647.6769850564.

The spelling of 271691089 in words is "two hundred seventy-one million, six hundred ninety-one thousand, eighty-nine".