9522020129 has 2 divisors, whose sum is σ = 9522020130. Its totient is φ = 9522020128.

The previous prime is 9522020119. The next prime is 9522020149. The reversal of 9522020129 is 9210202259.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5289216529 + 4232803600 = 72727^2 + 65060^2 .

It is an emirp because it is prime and its reverse (9210202259) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9522020129 - 2¹² = 9522016033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9522020095 and 9522020104.

It is not a weakly prime, because it can be changed into another prime (9522020119) 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, 4761010064 + 4761010065.

It is an arithmetic number, because the mean of its divisors is an integer number (4761010065).

Almost surely, 2^9522020129 is an apocalyptic number.

It is an amenable number.

9522020129 is a deficient number, since it is larger than the sum of its proper divisors (1).

9522020129 is an equidigital number, since it uses as much as digits as its factorization.

9522020129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 9522020129 is about 97580.8389439238. The cubic root of 9522020129 is about 2119.5469045489.

The spelling of 9522020129 in words is "nine billion, five hundred twenty-two million, twenty thousand, one hundred twenty-nine".