64224413317 has 2 divisors, whose sum is σ = 64224413318. Its totient is φ = 64224413316.

The previous prime is 64224413191. The next prime is 64224413329. The reversal of 64224413317 is 71331442246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55529037316 + 8695376001 = 235646^2 + 93249^2 .

It is a cyclic number.

It is not a de Polignac number, because 64224413317 - 2¹¹ = 64224411269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64224413417) 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, 32112206658 + 32112206659.

It is an arithmetic number, because the mean of its divisors is an integer number (32112206659).

Almost surely, 2^64224413317 is an apocalyptic number.

It is an amenable number.

64224413317 is a deficient number, since it is larger than the sum of its proper divisors (1).

64224413317 is an equidigital number, since it uses as much as digits as its factorization.

64224413317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 37.

The spelling of 64224413317 in words is "sixty-four billion, two hundred twenty-four million, four hundred thirteen thousand, three hundred seventeen".