65326500563 has 2 divisors, whose sum is σ = 65326500564. Its totient is φ = 65326500562.

The previous prime is 65326500541. The next prime is 65326500581. The reversal of 65326500563 is 36500562356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65326500563 - 2¹² = 65326496467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65326500563.

It is not a weakly prime, because it can be changed into another prime (65326500583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32663250281 + 32663250282.

It is an arithmetic number, because the mean of its divisors is an integer number (32663250282).

Almost surely, 2^65326500563 is an apocalyptic number.

65326500563 is a deficient number, since it is larger than the sum of its proper divisors (1).

65326500563 is an equidigital number, since it uses as much as digits as its factorization.

65326500563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 65326500563 in words is "sixty-five billion, three hundred twenty-six million, five hundred thousand, five hundred sixty-three".