8345864719 has 2 divisors, whose sum is σ = 8345864720. Its totient is φ = 8345864718.

The previous prime is 8345864701. The next prime is 8345864753. The reversal of 8345864719 is 9174685438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8345864719 - 2⁷ = 8345864591 is a prime.

It is a super-2 number, since 2×8345864719² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8345864719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8345864759) 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, 4172932359 + 4172932360.

It is an arithmetic number, because the mean of its divisors is an integer number (4172932360).

Almost surely, 2^8345864719 is an apocalyptic number.

8345864719 is a deficient number, since it is larger than the sum of its proper divisors (1).

8345864719 is an equidigital number, since it uses as much as digits as its factorization.

8345864719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 55.

The square root of 8345864719 is about 91355.7043593885. The cubic root of 8345864719 is about 2028.4164018031.

The spelling of 8345864719 in words is "eight billion, three hundred forty-five million, eight hundred sixty-four thousand, seven hundred nineteen".