6512643334 has 4 divisors (see below), whose sum is σ = 9768965004. Its totient is φ = 3256321666.

The previous prime is 6512643331. The next prime is 6512643337. The reversal of 6512643334 is 4333462156.

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

It is an interprime number because it is at equal distance from previous prime (6512643331) and next prime (6512643337).

It is a junction number, because it is equal to n+sod(n) for n = 6512643293 and 6512643302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6512643331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628160832 + ... + 1628160835.

It is an arithmetic number, because the mean of its divisors is an integer number (2442241251).

Almost surely, 2^6512643334 is an apocalyptic number.

6512643334 is a deficient number, since it is larger than the sum of its proper divisors (3256321670).

6512643334 is a wasteful number, since it uses less digits than its factorization.

6512643334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256321669.

The product of its digits is 155520, while the sum is 37.

The square root of 6512643334 is about 80700.9500191912. The cubic root of 6512643334 is about 1867.4648302155.

The spelling of 6512643334 in words is "six billion, five hundred twelve million, six hundred forty-three thousand, three hundred thirty-four".