489384651939 has 8 divisors (see below), whose sum is σ = 690895979280. Its totient is φ = 307064879616.

The previous prime is 489384651913. The next prime is 489384652037. The reversal of 489384651939 is 939156483984.

489384651939 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 489384651939 - 2²⁰ = 489383603363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489384611939) 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, 4797888694 + ... + 4797888795.

It is an arithmetic number, because the mean of its divisors is an integer number (86361997410).

Almost surely, 2^489384651939 is an apocalyptic number.

489384651939 is a deficient number, since it is larger than the sum of its proper divisors (201511327341).

489384651939 is a wasteful number, since it uses less digits than its factorization.

489384651939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9595777509.

The product of its digits is 201553920, while the sum is 69.

The spelling of 489384651939 in words is "four hundred eighty-nine billion, three hundred eighty-four million, six hundred fifty-one thousand, nine hundred thirty-nine".