489311271 has 12 divisors (see below), whose sum is σ = 708335472. Its totient is φ = 325490976.

The previous prime is 489311267. The next prime is 489311299. The reversal of 489311271 is 172113984.

It is a happy number.

It is not a de Polignac number, because 489311271 - 2² = 489311267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489310271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55371 + ... + 63596.

It is an arithmetic number, because the mean of its divisors is an integer number (59027956).

Almost surely, 2^489311271 is an apocalyptic number.

489311271 is a deficient number, since it is larger than the sum of its proper divisors (219024201).

489311271 is a wasteful number, since it uses less digits than its factorization.

489311271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119430 (or 119427 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 489311271 is about 22120.3813484307. The cubic root of 489311271 is about 788.0039718894.

The spelling of 489311271 in words is "four hundred eighty-nine million, three hundred eleven thousand, two hundred seventy-one".