489709788798 has 8 divisors (see below), whose sum is σ = 979419577608. Its totient is φ = 163236596264.

The previous prime is 489709788797. The next prime is 489709788851. The reversal of 489709788798 is 897887907984.

It is a sphenic number, since it is the product of 3 distinct primes.

489709788798 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 489709788798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489709788797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40809149061 + ... + 40809149072.

It is an arithmetic number, because the mean of its divisors is an integer number (122427447201).

Almost surely, 2^489709788798 is an apocalyptic number.

489709788798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

489709788798 is a wasteful number, since it uses less digits than its factorization.

489709788798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81618298138.

The product of its (nonzero) digits is 4096770048, while the sum is 84.

The spelling of 489709788798 in words is "four hundred eighty-nine billion, seven hundred nine million, seven hundred eighty-eight thousand, seven hundred ninety-eight".