489750821830 has 8 divisors (see below), whose sum is σ = 881551479312. Its totient is φ = 195900328728.

The previous prime is 489750821809. The next prime is 489750821843. The reversal of 489750821830 is 38128057984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24487541082 + ... + 24487541101.

It is an arithmetic number, because the mean of its divisors is an integer number (110193934914).

Almost surely, 2^489750821830 is an apocalyptic number.

489750821830 is a deficient number, since it is larger than the sum of its proper divisors (391800657482).

489750821830 is a wasteful number, since it uses less digits than its factorization.

489750821830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48975082190.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 489750821830 in words is "four hundred eighty-nine billion, seven hundred fifty million, eight hundred twenty-one thousand, eight hundred thirty".