6544492743 has 4 divisors (see below), whose sum is σ = 8725990328. Its totient is φ = 4362995160.

The previous prime is 6544492733. The next prime is 6544492751. The reversal of 6544492743 is 3472944456.

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

It is not a de Polignac number, because 6544492743 - 2⁵ = 6544492711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6544492692 and 6544492701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6544492733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090748788 + ... + 1090748793.

It is an arithmetic number, because the mean of its divisors is an integer number (2181497582).

Almost surely, 2^6544492743 is an apocalyptic number.

6544492743 is a deficient number, since it is larger than the sum of its proper divisors (2181497585).

6544492743 is a wasteful number, since it uses less digits than its factorization.

6544492743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181497584.

The product of its digits is 2903040, while the sum is 48.

The square root of 6544492743 is about 80898.0391789566. The cubic root of 6544492743 is about 1870.5040957515.

The spelling of 6544492743 in words is "six billion, five hundred forty-four million, four hundred ninety-two thousand, seven hundred forty-three".