6501195563 has 2 divisors, whose sum is σ = 6501195564. Its totient is φ = 6501195562.

The previous prime is 6501195541. The next prime is 6501195599. The reversal of 6501195563 is 3655911056.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6501195563 - 2⁸ = 6501195307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6501195563.

It is not a weakly prime, because it can be changed into another prime (6501105563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250597781 + 3250597782.

It is an arithmetic number, because the mean of its divisors is an integer number (3250597782).

Almost surely, 2^6501195563 is an apocalyptic number.

6501195563 is a deficient number, since it is larger than the sum of its proper divisors (1).

6501195563 is an equidigital number, since it uses as much as digits as its factorization.

6501195563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 6501195563 is about 80629.9917090409. The cubic root of 6501195563 is about 1866.3699932462.

The spelling of 6501195563 in words is "six billion, five hundred one million, one hundred ninety-five thousand, five hundred sixty-three".