489748964128 has 12 divisors (see below), whose sum is σ = 964193273190. Its totient is φ = 244874482048.

The previous prime is 489748964119. The next prime is 489748964143. The reversal of 489748964128 is 821469847984.

It can be written as a sum of positive squares in only one way, i.e., 489065246224 + 683717904 = 699332^2 + 26148^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7652327533 + ... + 7652327596.

Almost surely, 2^489748964128 is an apocalyptic number.

It is an amenable number.

489748964128 is a deficient number, since it is larger than the sum of its proper divisors (474444309062).

489748964128 is a wasteful number, since it uses less digits than its factorization.

489748964128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15304655139 (or 15304655131 counting only the distinct ones).

The product of its digits is 222953472, while the sum is 70.

The spelling of 489748964128 in words is "four hundred eighty-nine billion, seven hundred forty-eight million, nine hundred sixty-four thousand, one hundred twenty-eight".