9509898564253 has 2 divisors, whose sum is σ = 9509898564254. Its totient is φ = 9509898564252.

The previous prime is 9509898564209. The next prime is 9509898564377. The reversal of 9509898564253 is 3524658989059.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9467455147929 + 42443416324 = 3076923^2 + 206018^2 .

It is a cyclic number.

It is not a de Polignac number, because 9509898564253 - 2³³ = 9501308629661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9509898564953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4754949282126 + 4754949282127.

It is an arithmetic number, because the mean of its divisors is an integer number (4754949282127).

Almost surely, 2^{9509898564253} is an apocalyptic number.

It is an amenable number.

9509898564253 is a deficient number, since it is larger than the sum of its proper divisors (1).

9509898564253 is an equidigital number, since it uses as much as digits as its factorization.

9509898564253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808000, while the sum is 73.

The spelling of 9509898564253 in words is "nine trillion, five hundred nine billion, eight hundred ninety-eight million, five hundred sixty-four thousand, two hundred fifty-three".