9868645273601 has 2 divisors, whose sum is σ = 9868645273602. Its totient is φ = 9868645273600.

The previous prime is 9868645273589. The next prime is 9868645273603. The reversal of 9868645273601 is 1063725468689.

It is a Cunningham number, because it is equal to 3141440²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9868645273600 + 1 = 3141440^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 9868645273601 - 2¹⁴ = 9868645257217 is a prime.

It is a super-2 number, since 2×9868645273601² (a number of 27 digits) contains 22 as substring.

Together with 9868645273603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9868645273603) 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, 4934322636800 + 4934322636801.

It is an arithmetic number, because the mean of its divisors is an integer number (4934322636801).

It is a 1-persistent number, because it is pandigital, but 2⋅9868645273601 = 19737290547202 is not.

Almost surely, 2^{9868645273601} is an apocalyptic number.

It is an amenable number.

9868645273601 is a deficient number, since it is larger than the sum of its proper divisors (1).

9868645273601 is an equidigital number, since it uses as much as digits as its factorization.

9868645273601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104509440, while the sum is 65.

The spelling of 9868645273601 in words is "nine trillion, eight hundred sixty-eight billion, six hundred forty-five million, two hundred seventy-three thousand, six hundred one".