6530805329 has 4 divisors (see below), whose sum is σ = 6577789680. Its totient is φ = 6483820980.

The previous prime is 6530805277. The next prime is 6530805349. The reversal of 6530805329 is 9235080356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6530805329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6530805349) 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 in 3 ways as a sum of consecutive naturals, for example, 23491967 + ... + 23492244.

It is an arithmetic number, because the mean of its divisors is an integer number (1644447420).

Almost surely, 2^6530805329 is an apocalyptic number.

It is an amenable number.

6530805329 is a deficient number, since it is larger than the sum of its proper divisors (46984351).

6530805329 is a wasteful number, since it uses less digits than its factorization.

6530805329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46984350.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 6530805329 is about 80813.3982022783. The cubic root of 6530805329 is about 1869.1991698989.

The spelling of 6530805329 in words is "six billion, five hundred thirty million, eight hundred five thousand, three hundred twenty-nine".