9409768679 has 2 divisors, whose sum is σ = 9409768680. Its totient is φ = 9409768678.

The previous prime is 9409768661. The next prime is 9409768729. The reversal of 9409768679 is 9768679049.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9409768679 - 2¹⁶ = 9409703143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9409368679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4704884339 + 4704884340.

It is an arithmetic number, because the mean of its divisors is an integer number (4704884340).

Almost surely, 2^9409768679 is an apocalyptic number.

9409768679 is a deficient number, since it is larger than the sum of its proper divisors (1).

9409768679 is an equidigital number, since it uses as much as digits as its factorization.

9409768679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41150592, while the sum is 65.

The square root of 9409768679 is about 97003.9621819645. The cubic root of 9409768679 is about 2111.1851176468.

The spelling of 9409768679 in words is "nine billion, four hundred nine million, seven hundred sixty-eight thousand, six hundred seventy-nine".