6530805349 has 2 divisors, whose sum is σ = 6530805350. Its totient is φ = 6530805348.

The previous prime is 6530805277. The next prime is 6530805443. The reversal of 6530805349 is 9435080356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4621552324 + 1909253025 = 67982^2 + 43695^2 .

It is a cyclic number.

It is not a de Polignac number, because 6530805349 - 2⁹ = 6530804837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6530805649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3265402674 + 3265402675.

It is an arithmetic number, because the mean of its divisors is an integer number (3265402675).

Almost surely, 2^6530805349 is an apocalyptic number.

It is an amenable number.

6530805349 is a deficient number, since it is larger than the sum of its proper divisors (1).

6530805349 is an equidigital number, since it uses as much as digits as its factorization.

6530805349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 6530805349 is about 80813.3983260202. The cubic root of 6530805349 is about 1869.1991718070.

The spelling of 6530805349 in words is "six billion, five hundred thirty million, eight hundred five thousand, three hundred forty-nine".