6489231065 has 24 divisors (see below), whose sum is σ = 7968989952. Its totient is φ = 5072564640.

The previous prime is 6489231061. The next prime is 6489231071. The reversal of 6489231065 is 5601329846.

It is not a de Polignac number, because 6489231065 - 2² = 6489231061 is a prime.

It is a super-2 number, since 2×6489231065² = 84220239629922068450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6489231061) 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 23 ways as a sum of consecutive naturals, for example, 2939192 + ... + 2941398.

It is an arithmetic number, because the mean of its divisors is an integer number (332041248).

Almost surely, 2^6489231065 is an apocalyptic number.

It is an amenable number.

6489231065 is a deficient number, since it is larger than the sum of its proper divisors (1479758887).

6489231065 is a wasteful number, since it uses less digits than its factorization.

6489231065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477 (or 2410 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 6489231065 is about 80555.7636981985. The cubic root of 6489231065 is about 1865.2243633216.

The spelling of 6489231065 in words is "six billion, four hundred eighty-nine million, two hundred thirty-one thousand, sixty-five".