6543545223 has 8 divisors (see below), whose sum is σ = 9183923200. Its totient is φ = 4132765368.

The previous prime is 6543545221. The next prime is 6543545227. The reversal of 6543545223 is 3225453456.

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

It is not a de Polignac number, because 6543545223 - 2¹ = 6543545221 is a prime.

It is a super-2 number, since 2×6543545223² = 85635968170892239458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543545221) 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, 57399463 + ... + 57399576.

It is an arithmetic number, because the mean of its divisors is an integer number (1147990400).

Almost surely, 2^6543545223 is an apocalyptic number.

6543545223 is a deficient number, since it is larger than the sum of its proper divisors (2640377977).

6543545223 is a wasteful number, since it uses less digits than its factorization.

6543545223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114799061.

The product of its digits is 432000, while the sum is 39.

The square root of 6543545223 is about 80892.1827063654. The cubic root of 6543545223 is about 1870.4138200724.

Adding to 6543545223 its reverse (3225453456), we get a palindrome (9768998679).

The spelling of 6543545223 in words is "six billion, five hundred forty-three million, five hundred forty-five thousand, two hundred twenty-three".