489747567 has 16 divisors (see below), whose sum is σ = 669726720. Its totient is φ = 318192672.

The previous prime is 489747551. The next prime is 489747571. The reversal of 489747567 is 765747984.

It is not a de Polignac number, because 489747567 - 2⁴ = 489747551 is a prime.

It is a super-3 number, since 3×489747567³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489747547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26433 + ... + 40965.

It is an arithmetic number, because the mean of its divisors is an integer number (41857920).

Almost surely, 2^489747567 is an apocalyptic number.

489747567 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

489747567 is a deficient number, since it is larger than the sum of its proper divisors (179979153).

489747567 is a wasteful number, since it uses less digits than its factorization.

489747567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14822.

The product of its digits is 11854080, while the sum is 57.

The square root of 489747567 is about 22130.2410063695. The cubic root of 489747567 is about 788.2381110884.

The spelling of 489747567 in words is "four hundred eighty-nine million, seven hundred forty-seven thousand, five hundred sixty-seven".