489123909044 has 6 divisors (see below), whose sum is σ = 855966840834. Its totient is φ = 244561954520.

The previous prime is 489123909041. The next prime is 489123909193. The reversal of 489123909044 is 440909321984.

It can be written as a sum of positive squares in only one way, i.e., 369554568100 + 119569340944 = 607910^2 + 345788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489123909041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61140488627 + ... + 61140488634.

It is an arithmetic number, because the mean of its divisors is an integer number (142661140139).

Almost surely, 2^489123909044 is an apocalyptic number.

It is an amenable number.

489123909044 is a deficient number, since it is larger than the sum of its proper divisors (366842931790).

489123909044 is a wasteful number, since it uses less digits than its factorization.

489123909044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122280977265 (or 122280977263 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 489123909044 in words is "four hundred eighty-nine billion, one hundred twenty-three million, nine hundred nine thousand, forty-four".