9385079989 has 2 divisors, whose sum is σ = 9385079990. Its totient is φ = 9385079988.

The previous prime is 9385079983. The next prime is 9385080043. The reversal of 9385079989 is 9899705839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8038556964 + 1346523025 = 89658^2 + 36695^2 .

It is a cyclic number.

It is not a de Polignac number, because 9385079989 - 2³ = 9385079981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9385079981) 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, 4692539994 + 4692539995.

It is an arithmetic number, because the mean of its divisors is an integer number (4692539995).

Almost surely, 2^9385079989 is an apocalyptic number.

It is an amenable number.

9385079989 is a deficient number, since it is larger than the sum of its proper divisors (1).

9385079989 is an equidigital number, since it uses as much as digits as its factorization.

9385079989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44089920, while the sum is 67.

The square root of 9385079989 is about 96876.6225102837. The cubic root of 9385079989 is about 2109.3371074116.

The spelling of 9385079989 in words is "nine billion, three hundred eighty-five million, seventy-nine thousand, nine hundred eighty-nine".