9646240559 has 2 divisors, whose sum is σ = 9646240560. Its totient is φ = 9646240558.

The previous prime is 9646240543. The next prime is 9646240613. The reversal of 9646240559 is 9550426469.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9646240559 - 2⁴ = 9646240543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9646242559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4823120279 + 4823120280.

It is an arithmetic number, because the mean of its divisors is an integer number (4823120280).

Almost surely, 2^9646240559 is an apocalyptic number.

9646240559 is a deficient number, since it is larger than the sum of its proper divisors (1).

9646240559 is an equidigital number, since it uses as much as digits as its factorization.

9646240559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The square root of 9646240559 is about 98215.2766070533. The cubic root of 9646240559 is about 2128.7240301766.

The spelling of 9646240559 in words is "nine billion, six hundred forty-six million, two hundred forty thousand, five hundred fifty-nine".