8964564636241 has 2 divisors, whose sum is σ = 8964564636242. Its totient is φ = 8964564636240.

The previous prime is 8964564636227. The next prime is 8964564636289. The reversal of 8964564636241 is 1426364654698.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8797132272016 + 167432364225 = 2965996^2 + 409185^2 .

It is a cyclic number.

It is not a de Polignac number, because 8964564636241 - 2¹³ = 8964564628049 is a prime.

It is a super-2 number, since 2×8964564636241² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8964564636211) 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, 4482282318120 + 4482282318121.

It is an arithmetic number, because the mean of its divisors is an integer number (4482282318121).

Almost surely, 2^{8964564636241} is an apocalyptic number.

It is an amenable number.

8964564636241 is a deficient number, since it is larger than the sum of its proper divisors (1).

8964564636241 is an equidigital number, since it uses as much as digits as its factorization.

8964564636241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 179159040, while the sum is 64.

The spelling of 8964564636241 in words is "eight trillion, nine hundred sixty-four billion, five hundred sixty-four million, six hundred thirty-six thousand, two hundred forty-one".