489533911 has 4 divisors (see below), whose sum is σ = 491128792. Its totient is φ = 487939032.

The previous prime is 489533903. The next prime is 489533923. The reversal of 489533911 is 119335984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489533911 - 2³ = 489533903 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 (489533981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796980 + ... + 797593.

It is an arithmetic number, because the mean of its divisors is an integer number (122782198).

Almost surely, 2^489533911 is an apocalyptic number.

489533911 is a deficient number, since it is larger than the sum of its proper divisors (1594881).

489533911 is a wasteful number, since it uses less digits than its factorization.

489533911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594880.

The product of its digits is 116640, while the sum is 43.

The square root of 489533911 is about 22125.4132390787. The cubic root of 489533911 is about 788.1234695129.

The spelling of 489533911 in words is "four hundred eighty-nine million, five hundred thirty-three thousand, nine hundred eleven".