9186468689 has 2 divisors, whose sum is σ = 9186468690. Its totient is φ = 9186468688.

The previous prime is 9186468659. The next prime is 9186468703. The reversal of 9186468689 is 9868646819.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7963777600 + 1222691089 = 89240^2 + 34967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9186468689 is a prime.

It is not a weakly prime, because it can be changed into another prime (9186468659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4593234344 + 4593234345.

It is an arithmetic number, because the mean of its divisors is an integer number (4593234345).

Almost surely, 2^9186468689 is an apocalyptic number.

It is an amenable number.

9186468689 is a deficient number, since it is larger than the sum of its proper divisors (1).

9186468689 is an equidigital number, since it uses as much as digits as its factorization.

9186468689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35831808, while the sum is 65.

The square root of 9186468689 is about 95846.0676762485. The cubic root of 9186468689 is about 2094.3513114769.

The spelling of 9186468689 in words is "nine billion, one hundred eighty-six million, four hundred sixty-eight thousand, six hundred eighty-nine".