489784782510328 has 16 divisors (see below), whose sum is σ = 966680491797000. Its totient is φ = 232003318031136.

The previous prime is 489784782510307. The next prime is 489784782510421. The reversal of 489784782510328 is 823015287487984.

It is a Harshad number since it is a multiple of its sum of digits (76).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611134152843 + ... + 1611134153146.

Almost surely, 2^{489784782510328} is an apocalyptic number.

It is an amenable number.

489784782510328 is a deficient number, since it is larger than the sum of its proper divisors (476895709286672).

489784782510328 is a wasteful number, since it uses less digits than its factorization.

489784782510328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222268306014 (or 3222268306010 counting only the distinct ones).

The product of its (nonzero) digits is 1734082560, while the sum is 76.

The spelling of 489784782510328 in words is "four hundred eighty-nine trillion, seven hundred eighty-four billion, seven hundred eighty-two million, five hundred ten thousand, three hundred twenty-eight".