6545943285 has 16 divisors (see below), whose sum is σ = 11969725056. Its totient is φ = 2992431168.

The previous prime is 6545943233. The next prime is 6545943301. The reversal of 6545943285 is 5823495456.

It is a happy number.

It is not a de Polignac number, because 6545943285 - 2⁹ = 6545942773 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31171054 + ... + 31171263.

It is an arithmetic number, because the mean of its divisors is an integer number (748107816).

Almost surely, 2^6545943285 is an apocalyptic number.

It is an amenable number.

6545943285 is a deficient number, since it is larger than the sum of its proper divisors (5423781771).

6545943285 is a wasteful number, since it uses less digits than its factorization.

6545943285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62342332.

The product of its digits is 5184000, while the sum is 51.

The square root of 6545943285 is about 80907.0039304386. The cubic root of 6545943285 is about 1870.6422803507.

The spelling of 6545943285 in words is "six billion, five hundred forty-five million, nine hundred forty-three thousand, two hundred eighty-five".