489218946648 has 32 divisors (see below), whose sum is σ = 1223065830960. Its totient is φ = 163070520320.

The previous prime is 489218946611. The next prime is 489218946773. The reversal of 489218946648 is 846649812984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2210308 + ... + 2421548.

Almost surely, 2^489218946648 is an apocalyptic number.

It is an amenable number.

489218946648 is an abundant number, since it is smaller than the sum of its proper divisors (733846884312).

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

489218946648 is a wasteful number, since it uses less digits than its factorization.

489218946648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307747 (or 307743 counting only the distinct ones).

The product of its digits is 191102976, while the sum is 69.

The spelling of 489218946648 in words is "four hundred eighty-nine billion, two hundred eighteen million, nine hundred forty-six thousand, six hundred forty-eight".