271489449 has 48 divisors (see below), whose sum is σ = 461617920. Its totient is φ = 140343840.

The previous prime is 271489441. The next prime is 271489451. The reversal of 271489449 is 944984172.

It is not a de Polignac number, because 271489449 - 2³ = 271489441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 271489398 and 271489407.

It is not an unprimeable number, because it can be changed into a prime (271489441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 612622 + ... + 613064.

It is an arithmetic number, because the mean of its divisors is an integer number (9617040).

Almost surely, 2^271489449 is an apocalyptic number.

It is an amenable number.

271489449 is a deficient number, since it is larger than the sum of its proper divisors (190128471).

271489449 is a wasteful number, since it uses less digits than its factorization.

271489449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 843 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 271489449 is about 16476.9368815930. The cubic root of 271489449 is about 647.5167173673.

The spelling of 271489449 in words is "two hundred seventy-one million, four hundred eighty-nine thousand, four hundred forty-nine".