6544522823 has 4 divisors (see below), whose sum is σ = 6545935200. Its totient is φ = 6543110448.

The previous prime is 6544522807. The next prime is 6544522837. The reversal of 6544522823 is 3282254456.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6544522823 - 2⁴ = 6544522807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6544522843) 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 3 ways as a sum of consecutive naturals, for example, 699215 + ... + 708512.

It is an arithmetic number, because the mean of its divisors is an integer number (1636483800).

Almost surely, 2^6544522823 is an apocalyptic number.

6544522823 is a deficient number, since it is larger than the sum of its proper divisors (1412377).

6544522823 is a wasteful number, since it uses less digits than its factorization.

6544522823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412376.

The product of its digits is 460800, while the sum is 41.

The square root of 6544522823 is about 80898.2250917781. The cubic root of 6544522823 is about 1870.5069615034.

The spelling of 6544522823 in words is "six billion, five hundred forty-four million, five hundred twenty-two thousand, eight hundred twenty-three".