489751473 has 8 divisors (see below), whose sum is σ = 654491200. Its totient is φ = 325756368.

The previous prime is 489751469. The next prime is 489751477. The reversal of 489751473 is 374157984.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (489751469) and next prime (489751477).

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

It is not a de Polignac number, because 489751473 - 2² = 489751469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (489751477) 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 7 ways as a sum of consecutive naturals, for example, 184618 + ... + 187251.

It is an arithmetic number, because the mean of its divisors is an integer number (81811400).

Almost surely, 2^489751473 is an apocalyptic number.

It is an amenable number.

489751473 is a deficient number, since it is larger than the sum of its proper divisors (164739727).

489751473 is a wasteful number, since it uses less digits than its factorization.

489751473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372311.

The product of its digits is 846720, while the sum is 48.

The square root of 489751473 is about 22130.3292564752. The cubic root of 489751473 is about 788.2402066237.

The spelling of 489751473 in words is "four hundred eighty-nine million, seven hundred fifty-one thousand, four hundred seventy-three".