489641512 has 8 divisors (see below), whose sum is σ = 918077850. Its totient is φ = 244820752.

The previous prime is 489641501. The next prime is 489641519. The reversal of 489641512 is 215146984.

It can be written as a sum of positive squares in only one way, i.e., 454286596 + 35354916 = 21314^2 + 5946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×489641512² = 479497620547292288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489641519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30602587 + ... + 30602602.

Almost surely, 2^489641512 is an apocalyptic number.

It is an amenable number.

489641512 is a deficient number, since it is larger than the sum of its proper divisors (428436338).

489641512 is a wasteful number, since it uses less digits than its factorization.

489641512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61205195 (or 61205191 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 489641512 is about 22127.8447210748. The cubic root of 489641512 is about 788.1812092383.

The spelling of 489641512 in words is "four hundred eighty-nine million, six hundred forty-one thousand, five hundred twelve".