9250564650529 has 2 divisors, whose sum is σ = 9250564650530. Its totient is φ = 9250564650528.

The previous prime is 9250564650527. The next prime is 9250564650557.

9250564650529 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9052588597504 + 197976053025 = 3008752^2 + 444945^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 9250564650529 - 2¹ = 9250564650527 is a prime.

Together with 9250564650527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9250564650527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4625282325264 + 4625282325265.

It is an arithmetic number, because the mean of its divisors is an integer number (4625282325265).

Almost surely, 2^{9250564650529} is an apocalyptic number.

It is an amenable number.

9250564650529 is a deficient number, since it is larger than the sum of its proper divisors (1).

9250564650529 is an equidigital number, since it uses as much as digits as its factorization.

9250564650529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160000, while the sum is 58.

The spelling of 9250564650529 in words is "nine trillion, two hundred fifty billion, five hundred sixty-four million, six hundred fifty thousand, five hundred twenty-nine".