489048951 has 4 divisors (see below), whose sum is σ = 652065272. Its totient is φ = 326032632.

The previous prime is 489048929. The next prime is 489048991. The reversal of 489048951 is 159840984.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 489048951 - 2⁶ = 489048887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489048951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489048991) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 81508156 + ... + 81508161.

It is an arithmetic number, because the mean of its divisors is an integer number (163016318).

Almost surely, 2^489048951 is an apocalyptic number.

489048951 is a deficient number, since it is larger than the sum of its proper divisors (163016321).

489048951 is a wasteful number, since it uses less digits than its factorization.

489048951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163016320.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 489048951 is about 22114.4511801672. The cubic root of 489048951 is about 787.8631302860.

The spelling of 489048951 in words is "four hundred eighty-nine million, forty-eight thousand, nine hundred fifty-one".