489264993 has 72 divisors (see below), whose sum is σ = 866156928. Its totient is φ = 260181504.

The previous prime is 489264983. The next prime is 489265019. The reversal of 489264993 is 399462984.

It is not a de Polignac number, because 489264993 - 2⁴ = 489264977 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489264983) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5043921 + ... + 5044017.

Almost surely, 2^489264993 is an apocalyptic number.

It is an amenable number.

489264993 is a deficient number, since it is larger than the sum of its proper divisors (376891935).

489264993 is a wasteful number, since it uses less digits than its factorization.

489264993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 189 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 489264993 is about 22119.3352748223. The cubic root of 489264993 is about 787.9791285367.

The spelling of 489264993 in words is "four hundred eighty-nine million, two hundred sixty-four thousand, nine hundred ninety-three".