489271465 has 8 divisors (see below), whose sum is σ = 588522888. Its totient is φ = 390485760.

The previous prime is 489271459. The next prime is 489271469. The reversal of 489271465 is 564172984.

It can be written as a sum of positive squares in 4 ways, for example, as 4787344 + 484484121 = 2188^2 + 22011^2 .

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

It is not a de Polignac number, because 489271465 - 2⁹ = 489270953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489271469) 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, 114112 + ... + 118321.

It is an arithmetic number, because the mean of its divisors is an integer number (73565361).

Almost surely, 2^489271465 is an apocalyptic number.

It is an amenable number.

489271465 is a deficient number, since it is larger than the sum of its proper divisors (99251423).

489271465 is a wasteful number, since it uses less digits than its factorization.

489271465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232859.

The product of its digits is 483840, while the sum is 46.

The square root of 489271465 is about 22119.4815716825. The cubic root of 489271465 is about 787.9826029854.

The spelling of 489271465 in words is "four hundred eighty-nine million, two hundred seventy-one thousand, four hundred sixty-five".