489264494216976 has 45 divisors (see below), whose sum is σ = 1369261792628821. Its totient is φ = 163088076261696.

The previous prime is 489264494216969. The next prime is 489264494217001. The reversal of 489264494216976 is 679612494462984.

The square root of 489264494216976 is 22119324.

It is a perfect power (a square), and thus also a powerful number.

489264494216976 is a `hidden beast` number, since 4 + 8 + 9 + 2 + 6 + 449 + 4 + 2 + 169 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 354039598083600 + 135224896133376 = 18815940^2 + 11628624^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489264494216895 and 489264494216904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 264510250 + ... + 266353526.

Almost surely, 2^{489264494216976} is an apocalyptic number.

489264494216976 is the 22119324-th square number.

It is an amenable number.

489264494216976 is an abundant number, since it is smaller than the sum of its proper divisors (879997298411845).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489264494216976 is an frugal number, since it uses more digits than its factorization.

489264494216976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686568 (or 1843282 counting only the distinct ones).

The product of its digits is 9029615616, while the sum is 81.

The spelling of 489264494216976 in words is "four hundred eighty-nine trillion, two hundred sixty-four billion, four hundred ninety-four million, two hundred sixteen thousand, nine hundred seventy-six".