489701872065 has 64 divisors (see below), whose sum is σ = 907173937152. Its totient is φ = 220939488000.

The previous prime is 489701872061. The next prime is 489701872067. The reversal of 489701872065 is 560278107984.

It is not a de Polignac number, because 489701872065 - 2² = 489701872061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489701871996 and 489701872014.

It is not an unprimeable number, because it can be changed into a prime (489701872061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8608215 + ... + 8664915.

It is an arithmetic number, because the mean of its divisors is an integer number (14174592768).

Almost surely, 2^489701872065 is an apocalyptic number.

It is an amenable number.

489701872065 is a deficient number, since it is larger than the sum of its proper divisors (417472065087).

489701872065 is a wasteful number, since it uses less digits than its factorization.

489701872065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57790.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 489701872065 in words is "four hundred eighty-nine billion, seven hundred one million, eight hundred seventy-two thousand, sixty-five".