6507655513 has 2 divisors, whose sum is σ = 6507655514. Its totient is φ = 6507655512.

The previous prime is 6507655507. The next prime is 6507655541. The reversal of 6507655513 is 3155567056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5737759504 + 769896009 = 75748^2 + 27747^2 .

It is a cyclic number.

It is not a de Polignac number, because 6507655513 - 2²¹ = 6505558361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6507655513.

It is not a weakly prime, because it can be changed into another prime (6507655543) 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 as a sum of consecutive naturals, namely, 3253827756 + 3253827757.

It is an arithmetic number, because the mean of its divisors is an integer number (3253827757).

Almost surely, 2^6507655513 is an apocalyptic number.

It is an amenable number.

6507655513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6507655513 is an equidigital number, since it uses as much as digits as its factorization.

6507655513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472500, while the sum is 43.

The square root of 6507655513 is about 80670.0409879653. The cubic root of 6507655513 is about 1866.9879649991.

The spelling of 6507655513 in words is "six billion, five hundred seven million, six hundred fifty-five thousand, five hundred thirteen".