489216539 has 6 divisors (see below), whose sum is σ = 569088684. Its totient is φ = 419328420.

The previous prime is 489216529. The next prime is 489216587. The reversal of 489216539 is 935612984.

It is not a de Polignac number, because 489216539 - 2¹² = 489212443 is a prime.

It is a super-2 number, since 2×489216539² = 478665644062277042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489216493 and 489216502.

It is not an unprimeable number, because it can be changed into a prime (489216529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4991957 + ... + 4992054.

It is an arithmetic number, because the mean of its divisors is an integer number (94848114).

Almost surely, 2^489216539 is an apocalyptic number.

489216539 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

489216539 is a deficient number, since it is larger than the sum of its proper divisors (79872145).

489216539 is an equidigital number, since it uses as much as digits as its factorization.

489216539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984025 (or 9984018 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 489216539 is about 22118.2399616244. The cubic root of 489216539 is about 787.9531153661.

The spelling of 489216539 in words is "four hundred eighty-nine million, two hundred sixteen thousand, five hundred thirty-nine".