489872485 has 4 divisors (see below), whose sum is σ = 587846988. Its totient is φ = 391897984.

The previous prime is 489872473. The next prime is 489872491. The reversal of 489872485 is 584278984.

It is a happy number.

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 383493889 + 106378596 = 19583^2 + 10314^2 .

It is a cyclic number.

It is not a de Polignac number, because 489872485 - 2¹³ = 489864293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48987244 + ... + 48987253.

It is an arithmetic number, because the mean of its divisors is an integer number (146961747).

Almost surely, 2^489872485 is an apocalyptic number.

It is an amenable number.

489872485 is a deficient number, since it is larger than the sum of its proper divisors (97974503).

489872485 is an equidigital number, since it uses as much as digits as its factorization.

489872485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97974502.

The product of its digits is 5160960, while the sum is 55.

The square root of 489872485 is about 22133.0631635117. The cubic root of 489872485 is about 788.3051229972.

The spelling of 489872485 in words is "four hundred eighty-nine million, eight hundred seventy-two thousand, four hundred eighty-five".