6544768423 has 8 divisors (see below), whose sum is σ = 6668948000. Its totient is φ = 6421755168.

The previous prime is 6544768403. The next prime is 6544768429. The reversal of 6544768423 is 3248674456.

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 6544768423 - 2²¹ = 6542671271 is a prime.

It is a super-3 number, since 3×6544768423³ (a number of 30 digits) contains 333 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 (6544768429) 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, 280248 + ... + 302701.

It is an arithmetic number, because the mean of its divisors is an integer number (833618500).

Almost surely, 2^6544768423 is an apocalyptic number.

6544768423 is a deficient number, since it is larger than the sum of its proper divisors (124179577).

6544768423 is a wasteful number, since it uses less digits than its factorization.

6544768423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583161.

The product of its digits is 3870720, while the sum is 49.

The square root of 6544768423 is about 80899.7430342025. The cubic root of 6544768423 is about 1870.5303597340.

The spelling of 6544768423 in words is "six billion, five hundred forty-four million, seven hundred sixty-eight thousand, four hundred twenty-three".