489578085012 has 24 divisors (see below), whose sum is σ = 1179198829312. Its totient is φ = 157928414400.

The previous prime is 489578084987. The next prime is 489578085013. The reversal of 489578085012 is 210580875984.

489578085012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489578085013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658034689 + ... + 658035432.

Almost surely, 2^489578085012 is an apocalyptic number.

It is an amenable number.

489578085012 is an abundant number, since it is smaller than the sum of its proper divisors (689620744300).

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

489578085012 is a wasteful number, since it uses less digits than its factorization.

489578085012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316070159 (or 1316070157 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 57.

The spelling of 489578085012 in words is "four hundred eighty-nine billion, five hundred seventy-eight million, eighty-five thousand, twelve".