6512346321 has 16 divisors (see below), whose sum is σ = 9359555520. Its totient is φ = 4003957440.

The previous prime is 6512346319. The next prime is 6512346331. The reversal of 6512346321 is 1236432156.

6512346321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6512346321 - 2¹ = 6512346319 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6512346331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32035 + ... + 118536.

It is an arithmetic number, because the mean of its divisors is an integer number (584972220).

Almost surely, 2^6512346321 is an apocalyptic number.

It is an amenable number.

6512346321 is a deficient number, since it is larger than the sum of its proper divisors (2847209199).

6512346321 is a wasteful number, since it uses less digits than its factorization.

6512346321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151696.

The product of its digits is 25920, while the sum is 33.

The square root of 6512346321 is about 80699.1097906290. The cubic root of 6512346321 is about 1867.4364408333.

Adding to 6512346321 its reverse (1236432156), we get a palindrome (7748778477).

The spelling of 6512346321 in words is "six billion, five hundred twelve million, three hundred forty-six thousand, three hundred twenty-one".