864419329 has 2 divisors, whose sum is σ = 864419330. Its totient is φ = 864419328.

The previous prime is 864419317. The next prime is 864419333. The reversal of 864419329 is 923914468.

864419329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 809288704 + 55130625 = 28448^2 + 7425^2 .

It is a cyclic number.

It is not a de Polignac number, because 864419329 - 2¹⁹ = 863895041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (864419389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432209664 + 432209665.

It is an arithmetic number, because the mean of its divisors is an integer number (432209665).

Almost surely, 2^864419329 is an apocalyptic number.

It is an amenable number.

864419329 is a deficient number, since it is larger than the sum of its proper divisors (1).

864419329 is an equidigital number, since it uses as much as digits as its factorization.

864419329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The square root of 864419329 is about 29401.0089792850. The cubic root of 864419329 is about 952.5946903564.

The spelling of 864419329 in words is "eight hundred sixty-four million, four hundred nineteen thousand, three hundred twenty-nine".