4340412509 has 2 divisors, whose sum is σ = 4340412510. Its totient is φ = 4340412508.

The previous prime is 4340412499. The next prime is 4340412523. The reversal of 4340412509 is 9052140434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3887148409 + 453264100 = 62347^2 + 21290^2 .

It is a cyclic number.

It is not a de Polignac number, because 4340412509 - 2⁴ = 4340412493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4340412589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2170206254 + 2170206255.

It is an arithmetic number, because the mean of its divisors is an integer number (2170206255).

Almost surely, 2^4340412509 is an apocalyptic number.

It is an amenable number.

4340412509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4340412509 is an equidigital number, since it uses as much as digits as its factorization.

4340412509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4340412509 is about 65881.8071169879. The cubic root of 4340412509 is about 1631.2117288692.

The spelling of 4340412509 in words is "four billion, three hundred forty million, four hundred twelve thousand, five hundred nine".