6464433085 has 16 divisors (see below), whose sum is σ = 8470241280. Its totient is φ = 4697122240.

The previous prime is 6464433083. The next prime is 6464433097. The reversal of 6464433085 is 5803344646.

It is not a de Polignac number, because 6464433085 - 2¹ = 6464433083 is a prime.

It is a super-2 number, since 2×6464433085² = 83577790220885234450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464433083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8004 + ... + 113986.

It is an arithmetic number, because the mean of its divisors is an integer number (529390080).

Almost surely, 2^6464433085 is an apocalyptic number.

It is an amenable number.

6464433085 is a deficient number, since it is larger than the sum of its proper divisors (2005808195).

6464433085 is a wasteful number, since it uses less digits than its factorization.

6464433085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107108.

The product of its (nonzero) digits is 829440, while the sum is 43.

The square root of 6464433085 is about 80401.6982718649. The cubic root of 6464433085 is about 1862.8454045225.

The spelling of 6464433085 in words is "six billion, four hundred sixty-four million, four hundred thirty-three thousand, eighty-five".