6512431043 has 4 divisors (see below), whose sum is σ = 6895515240. Its totient is φ = 6129346848.

The previous prime is 6512431039. The next prime is 6512431063. The reversal of 6512431043 is 3401342156.

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

It is a cyclic number.

It is not a de Polignac number, because 6512431043 - 2² = 6512431039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6512430997 and 6512431015.

It is not an unprimeable number, because it can be changed into a prime (6512431063) 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, 191542073 + ... + 191542106.

It is an arithmetic number, because the mean of its divisors is an integer number (1723878810).

Almost surely, 2^6512431043 is an apocalyptic number.

6512431043 is a deficient number, since it is larger than the sum of its proper divisors (383084197).

6512431043 is a wasteful number, since it uses less digits than its factorization.

6512431043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383084196.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 6512431043 is about 80699.6347141671. The cubic root of 6512431043 is about 1867.4445389010. Note that the first 3 decimals are identical.

Adding to 6512431043 its reverse (3401342156), we get a palindrome (9913773199).

The spelling of 6512431043 in words is "six billion, five hundred twelve million, four hundred thirty-one thousand, forty-three".