245173563163 has 2 divisors, whose sum is σ = 245173563164. Its totient is φ = 245173563162.

The previous prime is 245173563143. The next prime is 245173563169. The reversal of 245173563163 is 361365371542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245173563163 - 2⁹ = 245173562651 is a prime.

It is a super-2 number, since 2×245173563163² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245173563169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122586781581 + 122586781582.

It is an arithmetic number, because the mean of its divisors is an integer number (122586781582).

Almost surely, 2^245173563163 is an apocalyptic number.

245173563163 is a deficient number, since it is larger than the sum of its proper divisors (1).

245173563163 is an equidigital number, since it uses as much as digits as its factorization.

245173563163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 46.

The spelling of 245173563163 in words is "two hundred forty-five billion, one hundred seventy-three million, five hundred sixty-three thousand, one hundred sixty-three".