489919331 has 8 divisors (see below), whose sum is σ = 548902704. Its totient is φ = 433343520.

The previous prime is 489919327. The next prime is 489919361. The reversal of 489919331 is 133919984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489919331 - 2² = 489919327 is a prime.

It is a super-2 number, since 2×489919331² = 480041901774975122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489919361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601460 + ... + 602273.

It is an arithmetic number, because the mean of its divisors is an integer number (68612838).

Almost surely, 2^489919331 is an apocalyptic number.

489919331 is a deficient number, since it is larger than the sum of its proper divisors (58983373).

489919331 is a wasteful number, since it uses less digits than its factorization.

489919331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203781.

The product of its digits is 209952, while the sum is 47.

The square root of 489919331 is about 22134.1214192025. The cubic root of 489919331 is about 788.3302504646.

The spelling of 489919331 in words is "four hundred eighty-nine million, nine hundred nineteen thousand, three hundred thirty-one".