489505919 has 8 divisors (see below), whose sum is σ = 559899648. Its totient is φ = 419228280.

The previous prime is 489505909. The next prime is 489505921. The reversal of 489505919 is 919505984.

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 489505919 - 2¹⁶ = 489440383 is a prime.

It is a super-2 number, since 2×489505919² = 479232089472069122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489505909) 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 7 ways as a sum of consecutive naturals, for example, 19787 + ... + 37020.

It is an arithmetic number, because the mean of its divisors is an integer number (69987456).

Almost surely, 2^489505919 is an apocalyptic number.

489505919 is a deficient number, since it is larger than the sum of its proper divisors (70393729).

489505919 is a wasteful number, since it uses less digits than its factorization.

489505919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58045.

The product of its (nonzero) digits is 583200, while the sum is 50.

The square root of 489505919 is about 22124.7806542799. The cubic root of 489505919 is about 788.1084473512.

The spelling of 489505919 in words is "four hundred eighty-nine million, five hundred five thousand, nine hundred nineteen".