489064073 has 4 divisors (see below), whose sum is σ = 489307140. Its totient is φ = 488821008.

The previous prime is 489064067. The next prime is 489064159. The reversal of 489064073 is 370460984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 396288649 + 92775424 = 19907^2 + 9632^2 .

It is a cyclic number.

It is not a de Polignac number, because 489064073 - 2⁴ = 489064057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489064073.

It is not an unprimeable number, because it can be changed into a prime (489004073) 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 3 ways as a sum of consecutive naturals, for example, 118490 + ... + 122547.

It is an arithmetic number, because the mean of its divisors is an integer number (122326785).

Almost surely, 2^489064073 is an apocalyptic number.

It is an amenable number.

489064073 is a deficient number, since it is larger than the sum of its proper divisors (243067).

489064073 is a wasteful number, since it uses less digits than its factorization.

489064073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243066.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 489064073 is about 22114.7930806508. The cubic root of 489064073 is about 787.8712507707.

The spelling of 489064073 in words is "four hundred eighty-nine million, sixty-four thousand, seventy-three".