489018473 has 4 divisors (see below), whose sum is σ = 489469440. Its totient is φ = 488567508.

The previous prime is 489018457. The next prime is 489018511. The reversal of 489018473 is 374810984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489018473 - 2⁴ = 489018457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489014473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223853 + ... + 226026.

It is an arithmetic number, because the mean of its divisors is an integer number (122367360).

Almost surely, 2^489018473 is an apocalyptic number.

It is an amenable number.

489018473 is a deficient number, since it is larger than the sum of its proper divisors (450967).

489018473 is a wasteful number, since it uses less digits than its factorization.

489018473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450966.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 489018473 is about 22113.7620725195. The cubic root of 489018473 is about 787.8467631505.

The spelling of 489018473 in words is "four hundred eighty-nine million, eighteen thousand, four hundred seventy-three".