6512566413 has 8 divisors (see below), whose sum is σ = 8694716800. Its totient is φ = 4336063488.

The previous prime is 6512566399. The next prime is 6512566469. The reversal of 6512566413 is 3146652156.

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

It is not a de Polignac number, because 6512566413 - 2⁵ = 6512566381 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 (6612566413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409173 + ... + 1413786.

It is an arithmetic number, because the mean of its divisors is an integer number (1086839600).

Almost surely, 2^6512566413 is an apocalyptic number.

It is an amenable number.

6512566413 is a deficient number, since it is larger than the sum of its proper divisors (2182150387).

6512566413 is a wasteful number, since it uses less digits than its factorization.

6512566413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823731.

The product of its digits is 129600, while the sum is 39.

The square root of 6512566413 is about 80700.4734372730. The cubic root of 6512566413 is about 1867.4574779614.

The spelling of 6512566413 in words is "six billion, five hundred twelve million, five hundred sixty-six thousand, four hundred thirteen".