489702238648 has 32 divisors (see below), whose sum is σ = 1083212328960. Its totient is φ = 203102310240.

The previous prime is 489702238621. The next prime is 489702238657. The reversal of 489702238648 is 846832207984.

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, 141041536 + ... + 141045007.

It is an arithmetic number, because the mean of its divisors is an integer number (33850385280).

Almost surely, 2^489702238648 is an apocalyptic number.

It is an amenable number.

489702238648 is an abundant number, since it is smaller than the sum of its proper divisors (593510090312).

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

489702238648 is a wasteful number, since it uses less digits than its factorization.

489702238648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282086587 (or 282086583 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 61.

The spelling of 489702238648 in words is "four hundred eighty-nine billion, seven hundred two million, two hundred thirty-eight thousand, six hundred forty-eight".