64230467317 has 2 divisors, whose sum is σ = 64230467318. Its totient is φ = 64230467316.

The previous prime is 64230467303. The next prime is 64230467333. The reversal of 64230467317 is 71376403246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60996156676 + 3234310641 = 246974^2 + 56871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64230467317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64230467417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32115233658 + 32115233659.

It is an arithmetic number, because the mean of its divisors is an integer number (32115233659).

Almost surely, 2^64230467317 is an apocalyptic number.

It is an amenable number.

64230467317 is a deficient number, since it is larger than the sum of its proper divisors (1).

64230467317 is an equidigital number, since it uses as much as digits as its factorization.

64230467317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 64230467317 in words is "sixty-four billion, two hundred thirty million, four hundred sixty-seven thousand, three hundred seventeen".