6566481019 has 8 divisors (see below), whose sum is σ = 7505100000. Its totient is φ = 5627999616.

The previous prime is 6566481011. The next prime is 6566481041. The reversal of 6566481019 is 9101846656.

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 6566481019 - 2³ = 6566481011 is a prime.

It is a super-2 number, since 2×6566481019² = 86237345945774556722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6566481019.

It is not an unprimeable number, because it can be changed into a prime (6566481011) 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 7 ways as a sum of consecutive naturals, for example, 106227 + ... + 156259.

It is an arithmetic number, because the mean of its divisors is an integer number (938137500).

Almost surely, 2^6566481019 is an apocalyptic number.

6566481019 is a deficient number, since it is larger than the sum of its proper divisors (938618981).

6566481019 is a wasteful number, since it uses less digits than its factorization.

6566481019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68789.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 6566481019 is about 81033.8263875031. The cubic root of 6566481019 is about 1872.5966024138.

The spelling of 6566481019 in words is "six billion, five hundred sixty-six million, four hundred eighty-one thousand, nineteen".