489903423312 has 20 divisors (see below), whose sum is σ = 1265583843680. Its totient is φ = 163301141088.

The previous prime is 489903423287. The next prime is 489903423313. The reversal of 489903423312 is 213324309984.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 10206321319 = 489903423312 / (4 + 8 + 9 + 9 + 0 + 3 + 4 + 2 + 3 + 3 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489903423313) 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 3 ways as a sum of consecutive naturals, for example, 5103160612 + ... + 5103160707.

It is an arithmetic number, because the mean of its divisors is an integer number (63279192184).

Almost surely, 2^489903423312 is an apocalyptic number.

It is an amenable number.

489903423312 is an abundant number, since it is smaller than the sum of its proper divisors (775680420368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489903423312 is a wasteful number, since it uses less digits than its factorization.

489903423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10206321330 (or 10206321324 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 489903423312 in words is "four hundred eighty-nine billion, nine hundred three million, four hundred twenty-three thousand, three hundred twelve".