6510465013 has 4 divisors (see below), whose sum is σ = 7011270028. Its totient is φ = 6009660000.

The previous prime is 6510465011. The next prime is 6510465019. The reversal of 6510465013 is 3105640156.

6510465013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3662428324 + 2848036689 = 60518^2 + 53367^2 .

It is a cyclic number.

It is not a de Polignac number, because 6510465013 - 2¹ = 6510465011 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 (6510465011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250402488 + ... + 250402513.

It is an arithmetic number, because the mean of its divisors is an integer number (1752817507).

Almost surely, 2^6510465013 is an apocalyptic number.

It is an amenable number.

6510465013 is a deficient number, since it is larger than the sum of its proper divisors (500805015).

6510465013 is a wasteful number, since it uses less digits than its factorization.

6510465013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500805014.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 6510465013 is about 80687.4526367018. The cubic root of 6510465013 is about 1867.2565997898.

The spelling of 6510465013 in words is "six billion, five hundred ten million, four hundred sixty-five thousand, thirteen".