6544241542 has 4 divisors (see below), whose sum is σ = 9816362316. Its totient is φ = 3272120770.

The previous prime is 6544241531. The next prime is 6544241567. The reversal of 6544241542 is 2451424456.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1636060384 + ... + 1636060387.

It is an arithmetic number, because the mean of its divisors is an integer number (2454090579).

Almost surely, 2^6544241542 is an apocalyptic number.

6544241542 is a deficient number, since it is larger than the sum of its proper divisors (3272120774).

6544241542 is a wasteful number, since it uses less digits than its factorization.

6544241542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272120773.

The product of its digits is 153600, while the sum is 37.

The square root of 6544241542 is about 80896.4865862542. The cubic root of 6544241542 is about 1870.4801632366.

Adding to 6544241542 its reverse (2451424456), we get a palindrome (8995665998).

The spelling of 6544241542 in words is "six billion, five hundred forty-four million, two hundred forty-one thousand, five hundred forty-two".