22543516129 has 2 divisors, whose sum is σ = 22543516130. Its totient is φ = 22543516128.

The previous prime is 22543516013. The next prime is 22543516157. The reversal of 22543516129 is 92161534522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16656483600 + 5887032529 = 129060^2 + 76727^2 .

It is a cyclic number.

It is not a de Polignac number, because 22543516129 - 2⁷ = 22543516001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22543516091 and 22543516100.

It is not a weakly prime, because it can be changed into another prime (22543516189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11271758064 + 11271758065.

It is an arithmetic number, because the mean of its divisors is an integer number (11271758065).

Almost surely, 2^22543516129 is an apocalyptic number.

It is an amenable number.

22543516129 is a deficient number, since it is larger than the sum of its proper divisors (1).

22543516129 is an equidigital number, since it uses as much as digits as its factorization.

22543516129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The spelling of 22543516129 in words is "twenty-two billion, five hundred forty-three million, five hundred sixteen thousand, one hundred twenty-nine".