489420745 has 16 divisors (see below), whose sum is σ = 641131200. Its totient is φ = 355700800.

The previous prime is 489420727. The next prime is 489420773. The reversal of 489420745 is 547024984.

It is not a de Polignac number, because 489420745 - 2⁵ = 489420713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138450 + ... + 141940.

It is an arithmetic number, because the mean of its divisors is an integer number (40070700).

Almost surely, 2^489420745 is an apocalyptic number.

It is an amenable number.

489420745 is a deficient number, since it is larger than the sum of its proper divisors (151710455).

489420745 is a wasteful number, since it uses less digits than its factorization.

489420745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 489420745 is about 22122.8557153004. The cubic root of 489420745 is about 788.0627344259.

The spelling of 489420745 in words is "four hundred eighty-nine million, four hundred twenty thousand, seven hundred forty-five".