6485664089 has 8 divisors (see below), whose sum is σ = 6652824192. Its totient is φ = 6318931360.

The previous prime is 6485664077. The next prime is 6485664109. The reversal of 6485664089 is 9804665846.

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

It is a cyclic number.

It is not a de Polignac number, because 6485664089 - 2¹² = 6485659993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6485664019) 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, 75989 + ... + 136914.

It is an arithmetic number, because the mean of its divisors is an integer number (831603024).

Almost surely, 2^6485664089 is an apocalyptic number.

It is an amenable number.

6485664089 is a deficient number, since it is larger than the sum of its proper divisors (167160103).

6485664089 is a wasteful number, since it uses less digits than its factorization.

6485664089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213687.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The square root of 6485664089 is about 80533.6208611037. The cubic root of 6485664089 is about 1864.8825441917.

The spelling of 6485664089 in words is "six billion, four hundred eighty-five million, six hundred sixty-four thousand, eighty-nine".