489945005 has 8 divisors (see below), whose sum is σ = 641382624. Its totient is φ = 356323600.

The previous prime is 489944993. The next prime is 489945007. The reversal of 489945005 is 500549984.

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

It is not a de Polignac number, because 489945005 - 2⁴ = 489944989 is a prime.

It is a super-2 number, since 2×489945005² = 480092215848900050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489945007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4453991 + ... + 4454100.

It is an arithmetic number, because the mean of its divisors is an integer number (80172828).

Almost surely, 2^489945005 is an apocalyptic number.

It is an amenable number.

489945005 is a deficient number, since it is larger than the sum of its proper divisors (151437619).

489945005 is a wasteful number, since it uses less digits than its factorization.

489945005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8908107.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 489945005 is about 22134.7013758939. The cubic root of 489945005 is about 788.3440209203.

The spelling of 489945005 in words is "four hundred eighty-nine million, nine hundred forty-five thousand, five".