271989669 has 8 divisors (see below), whose sum is σ = 414460480. Its totient is φ = 155422656.

The previous prime is 271989659. The next prime is 271989703. The reversal of 271989669 is 966989172.

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

It is not a de Polignac number, because 271989669 - 2¹² = 271985573 is a prime.

It is a super-2 number, since 2×271989669² = 147956760085459122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271989659) 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, 6475924 + ... + 6475965.

It is an arithmetic number, because the mean of its divisors is an integer number (51807560).

Almost surely, 2^271989669 is an apocalyptic number.

It is an amenable number.

271989669 is a deficient number, since it is larger than the sum of its proper divisors (142470811).

271989669 is a wasteful number, since it uses less digits than its factorization.

271989669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12951899.

The product of its digits is 2939328, while the sum is 57.

The square root of 271989669 is about 16492.1092950538. The cubic root of 271989669 is about 647.9141571052.

The spelling of 271989669 in words is "two hundred seventy-one million, nine hundred eighty-nine thousand, six hundred sixty-nine".