6506601013 has 4 divisors (see below), whose sum is σ = 7098110208. Its totient is φ = 5915091820.

The previous prime is 6506600959. The next prime is 6506601019. The reversal of 6506601013 is 3101066056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-6506601013 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 (6506601019) 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, 295754581 + ... + 295754602.

It is an arithmetic number, because the mean of its divisors is an integer number (1774527552).

Almost surely, 2^6506601013 is an apocalyptic number.

It is an amenable number.

6506601013 is a deficient number, since it is larger than the sum of its proper divisors (591509195).

6506601013 is a wasteful number, since it uses less digits than its factorization.

6506601013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591509194.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 6506601013 is about 80663.5048395493. The cubic root of 6506601013 is about 1866.8871173562.

Adding to 6506601013 its reverse (3101066056), we get a palindrome (9607667069).

The spelling of 6506601013 in words is "six billion, five hundred six million, six hundred one thousand, thirteen".