6545770013 has 2 divisors, whose sum is σ = 6545770014. Its totient is φ = 6545770012.

The previous prime is 6545769983. The next prime is 6545770027. The reversal of 6545770013 is 3100775456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4338461689 + 2207308324 = 65867^2 + 46982^2 .

It is a cyclic number.

It is not a de Polignac number, because 6545770013 - 2¹⁰ = 6545768989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6545770213) 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, 3272885006 + 3272885007.

It is an arithmetic number, because the mean of its divisors is an integer number (3272885007).

Almost surely, 2^6545770013 is an apocalyptic number.

It is an amenable number.

6545770013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6545770013 is an equidigital number, since it uses as much as digits as its factorization.

6545770013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 6545770013 is about 80905.9331137093. The cubic root of 6545770013 is about 1870.6257748207.

The spelling of 6545770013 in words is "six billion, five hundred forty-five million, seven hundred seventy thousand, thirteen".