6459320085 has 32 divisors (see below), whose sum is σ = 11518796160. Its totient is φ = 3071674368.

The previous prime is 6459320083. The next prime is 6459320089. The reversal of 6459320085 is 5800239546.

It is not a de Polignac number, because 6459320085 - 2¹ = 6459320083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459320083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661752 + ... + 671441.

It is an arithmetic number, because the mean of its divisors is an integer number (359962380).

Almost surely, 2^6459320085 is an apocalyptic number.

It is an amenable number.

6459320085 is a deficient number, since it is larger than the sum of its proper divisors (5059476075).

6459320085 is a wasteful number, since it uses less digits than its factorization.

6459320085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333237.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 6459320085 is about 80369.8953900028. The cubic root of 6459320085 is about 1862.3541399520.

The spelling of 6459320085 in words is "six billion, four hundred fifty-nine million, three hundred twenty thousand, eighty-five".