6504403013 has 8 divisors (see below), whose sum is σ = 6825124800. Its totient is φ = 6186841408.

The previous prime is 6504403001. The next prime is 6504403027. The reversal of 6504403013 is 3103044056.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6504403013 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 (6504408013) 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 7 ways as a sum of consecutive naturals, for example, 785828 + ... + 794061.

It is an arithmetic number, because the mean of its divisors is an integer number (853140600).

Almost surely, 2^6504403013 is an apocalyptic number.

It is an amenable number.

6504403013 is a deficient number, since it is larger than the sum of its proper divisors (320721787).

6504403013 is a wasteful number, since it uses less digits than its factorization.

6504403013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580091.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 6504403013 is about 80649.8791877582. The cubic root of 6504403013 is about 1866.6768754792.

Adding to 6504403013 its reverse (3103044056), we get a palindrome (9607447069).

The spelling of 6504403013 in words is "six billion, five hundred four million, four hundred three thousand, thirteen".