245323352205563 has 2 divisors, whose sum is σ = 245323352205564. Its totient is φ = 245323352205562.

The previous prime is 245323352205521. The next prime is 245323352205571. The reversal of 245323352205563 is 365502253323542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245323352205563 - 2²⁰ = 245323351156987 is a prime.

It is not a weakly prime, because it can be changed into another prime (245323352202563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122661676102781 + 122661676102782.

It is an arithmetic number, because the mean of its divisors is an integer number (122661676102782).

Almost surely, 2^{245323352205563} is an apocalyptic number.

245323352205563 is a deficient number, since it is larger than the sum of its proper divisors (1).

245323352205563 is an equidigital number, since it uses as much as digits as its factorization.

245323352205563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440000, while the sum is 50.

The spelling of 245323352205563 in words is "two hundred forty-five trillion, three hundred twenty-three billion, three hundred fifty-two million, two hundred five thousand, five hundred sixty-three".