489647533 has 4 divisors (see below), whose sum is σ = 489752928. Its totient is φ = 489542140.

The previous prime is 489647531. The next prime is 489647563. The reversal of 489647533 is 335746984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489647533 - 2¹ = 489647531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489647531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45391 + ... + 55132.

It is an arithmetic number, because the mean of its divisors is an integer number (122438232).

Almost surely, 2^489647533 is an apocalyptic number.

It is an amenable number.

489647533 is a deficient number, since it is larger than the sum of its proper divisors (105395).

489647533 is a wasteful number, since it uses less digits than its factorization.

489647533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105394.

The product of its digits is 2177280, while the sum is 49.

The square root of 489647533 is about 22127.9807709606. The cubic root of 489647533 is about 788.1844399146.

The spelling of 489647533 in words is "four hundred eighty-nine million, six hundred forty-seven thousand, five hundred thirty-three".