9789488136089 has 2 divisors, whose sum is σ = 9789488136090. Its totient is φ = 9789488136088.

The previous prime is 9789488136067. The next prime is 9789488136121. The reversal of 9789488136089 is 9806318849879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9405924680464 + 383563455625 = 3066908^2 + 619325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9789488136089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9789488136289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4894744068044 + 4894744068045.

It is an arithmetic number, because the mean of its divisors is an integer number (4894744068045).

Almost surely, 2^{9789488136089} is an apocalyptic number.

It is an amenable number.

9789488136089 is a deficient number, since it is larger than the sum of its proper divisors (1).

9789488136089 is an equidigital number, since it uses as much as digits as its factorization.

9789488136089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1504935936, while the sum is 80.

The spelling of 9789488136089 in words is "nine trillion, seven hundred eighty-nine billion, four hundred eighty-eight million, one hundred thirty-six thousand, eighty-nine".