6512201817 has 16 divisors (see below), whose sum is σ = 9500417472. Its totient is φ = 3935070720.

The previous prime is 6512201789. The next prime is 6512201819. The reversal of 6512201817 is 7181022156.

It is not a de Polignac number, because 6512201817 - 2¹² = 6512197721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (6512201819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281668 + ... + 303909.

It is an arithmetic number, because the mean of its divisors is an integer number (593776092).

Almost surely, 2^6512201817 is an apocalyptic number.

It is an amenable number.

6512201817 is a deficient number, since it is larger than the sum of its proper divisors (2988215655).

6512201817 is a wasteful number, since it uses less digits than its factorization.

6512201817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585928.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 6512201817 is about 80698.2144598008. The cubic root of 6512201817 is about 1867.4226284008.

The spelling of 6512201817 in words is "six billion, five hundred twelve million, two hundred one thousand, eight hundred seventeen".