9119668687 has 2 divisors, whose sum is σ = 9119668688. Its totient is φ = 9119668686.

The previous prime is 9119668681. The next prime is 9119668699. The reversal of 9119668687 is 7868669119.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9119668687 - 2¹⁵ = 9119635919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9119668681) 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, 4559834343 + 4559834344.

It is an arithmetic number, because the mean of its divisors is an integer number (4559834344).

Almost surely, 2^9119668687 is an apocalyptic number.

9119668687 is a deficient number, since it is larger than the sum of its proper divisors (1).

9119668687 is an equidigital number, since it uses as much as digits as its factorization.

9119668687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 61.

The square root of 9119668687 is about 95496.9564279407. The cubic root of 9119668687 is about 2089.2625533300.

The spelling of 9119668687 in words is "nine billion, one hundred nineteen million, six hundred sixty-eight thousand, six hundred eighty-seven".