8505544939163 has 2 divisors, whose sum is σ = 8505544939164. Its totient is φ = 8505544939162.

The previous prime is 8505544939159. The next prime is 8505544939207. The reversal of 8505544939163 is 3619394455058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8505544939163 - 2² = 8505544939159 is a prime.

It is a super-2 number, since 2×8505544939163² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8505544939096 and 8505544939105.

It is not a weakly prime, because it can be changed into another prime (8505544930163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4252772469581 + 4252772469582.

It is an arithmetic number, because the mean of its divisors is an integer number (4252772469582).

Almost surely, 2^{8505544939163} is an apocalyptic number.

8505544939163 is a deficient number, since it is larger than the sum of its proper divisors (1).

8505544939163 is an equidigital number, since it uses as much as digits as its factorization.

8505544939163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984000, while the sum is 62.

The spelling of 8505544939163 in words is "eight trillion, five hundred five billion, five hundred forty-four million, nine hundred thirty-nine thousand, one hundred sixty-three".