9645500509607 has 2 divisors, whose sum is σ = 9645500509608. Its totient is φ = 9645500509606.

The previous prime is 9645500509597. The next prime is 9645500509699. The reversal of 9645500509607 is 7069050055469.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9645500509607 - 2⁴² = 5247453998503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9645500509807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4822750254803 + 4822750254804.

It is an arithmetic number, because the mean of its divisors is an integer number (4822750254804).

Almost surely, 2^{9645500509607} is an apocalyptic number.

9645500509607 is a deficient number, since it is larger than the sum of its proper divisors (1).

9645500509607 is an equidigital number, since it uses as much as digits as its factorization.

9645500509607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206000, while the sum is 56.

The spelling of 9645500509607 in words is "nine trillion, six hundred forty-five billion, five hundred million, five hundred nine thousand, six hundred seven".