4352042609 has 2 divisors, whose sum is σ = 4352042610. Its totient is φ = 4352042608.

The previous prime is 4352042579. The next prime is 4352042627. The reversal of 4352042609 is 9062402534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3956032609 + 396010000 = 62897^2 + 19900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4352042609 is a prime.

It is not a weakly prime, because it can be changed into another prime (4352042309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2176021304 + 2176021305.

It is an arithmetic number, because the mean of its divisors is an integer number (2176021305).

Almost surely, 2^4352042609 is an apocalyptic number.

It is an amenable number.

4352042609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4352042609 is an equidigital number, since it uses as much as digits as its factorization.

4352042609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 4352042609 is about 65970.0129528561. The cubic root of 4352042609 is about 1632.6673690352.

The spelling of 4352042609 in words is "four billion, three hundred fifty-two million, forty-two thousand, six hundred nine".