489291650 has 24 divisors (see below), whose sum is σ = 949653504. Its totient is φ = 187206800.

The previous prime is 489291617. The next prime is 489291679. The reversal of 489291650 is 56192984.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211586 + ... + 213885.

It is an arithmetic number, because the mean of its divisors is an integer number (39568896).

Almost surely, 2^489291650 is an apocalyptic number.

489291650 is a deficient number, since it is larger than the sum of its proper divisors (460361854).

489291650 is a wasteful number, since it uses less digits than its factorization.

489291650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425506 (or 425501 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 489291650 is about 22119.9378389723. The cubic root of 489291650 is about 787.9934389672.

The spelling of 489291650 in words is "four hundred eighty-nine million, two hundred ninety-one thousand, six hundred fifty".