6434433217 has 2 divisors, whose sum is σ = 6434433218. Its totient is φ = 6434433216.

The previous prime is 6434433133. The next prime is 6434433223. The reversal of 6434433217 is 7123344346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5017738896 + 1416694321 = 70836^2 + 37639^2 .

It is a cyclic number.

It is not a de Polignac number, because 6434433217 - 2¹⁵ = 6434400449 is a prime.

It is not a weakly prime, because it can be changed into another prime (6434433227) 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, 3217216608 + 3217216609.

It is an arithmetic number, because the mean of its divisors is an integer number (3217216609).

Almost surely, 2^6434433217 is an apocalyptic number.

It is an amenable number.

6434433217 is a deficient number, since it is larger than the sum of its proper divisors (1).

6434433217 is an equidigital number, since it uses as much as digits as its factorization.

6434433217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 37.

The square root of 6434433217 is about 80214.9189178671. The cubic root of 6434433217 is about 1859.9592638591.

The spelling of 6434433217 in words is "six billion, four hundred thirty-four million, four hundred thirty-three thousand, two hundred seventeen".