489158773 has 4 divisors (see below), whose sum is σ = 489203008. Its totient is φ = 489114540.

The previous prime is 489158771. The next prime is 489158797. The reversal of 489158773 is 377851984.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 489158773 - 2¹ = 489158771 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 489158773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489158771) 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, 10978 + ... + 33148.

It is an arithmetic number, because the mean of its divisors is an integer number (122300752).

Almost surely, 2^489158773 is an apocalyptic number.

It is an amenable number.

489158773 is a deficient number, since it is larger than the sum of its proper divisors (44235).

489158773 is a wasteful number, since it uses less digits than its factorization.

489158773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44234.

The product of its digits is 1693440, while the sum is 52.

The square root of 489158773 is about 22116.9340777604. The cubic root of 489158773 is about 787.9221006806.

The spelling of 489158773 in words is "four hundred eighty-nine million, one hundred fifty-eight thousand, seven hundred seventy-three".