489356747238 has 48 divisors (see below), whose sum is σ = 1056715450704. Its totient is φ = 151006871040.

The previous prime is 489356747219. The next prime is 489356747359. The reversal of 489356747238 is 832747653984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2207445 + ... + 2418992.

It is an arithmetic number, because the mean of its divisors is an integer number (22014905223).

Almost surely, 2^489356747238 is an apocalyptic number.

489356747238 is an abundant number, since it is smaller than the sum of its proper divisors (567358703466).

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

489356747238 is a wasteful number, since it uses less digits than its factorization.

489356747238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626537 (or 4626520 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 66.

The spelling of 489356747238 in words is "four hundred eighty-nine billion, three hundred fifty-six million, seven hundred forty-seven thousand, two hundred thirty-eight".