270043489 has 3 divisors (see below), whose sum is σ = 270059923. Its totient is φ = 270027056.

The previous prime is 270043429. The next prime is 270043519. The reversal of 270043489 is 984340072.

It is a happy number.

The square root of 270043489 is 16433.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 266832225 + 3211264 = 16335^2 + 1792^2 .

It is not a de Polignac number, because 270043489 - 2¹¹ = 270041441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270043429) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8217 + ... + 24649.

Almost surely, 2^270043489 is an apocalyptic number.

270043489 is the 16433-rd square number.

270043489 is the 8217-th centered octagonal number.

It is an amenable number.

270043489 is a deficient number, since it is larger than the sum of its proper divisors (16434).

270043489 is an frugal number, since it uses more digits than its factorization.

270043489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32866 (or 16433 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The cubic root of 270043489 is about 646.3651067059.

The spelling of 270043489 in words is "two hundred seventy million, forty-three thousand, four hundred eighty-nine".