9481709009 has 2 divisors, whose sum is σ = 9481709010. Its totient is φ = 9481709008.

The previous prime is 9481708993. The next prime is 9481709051. The reversal of 9481709009 is 9009071849.

9481709009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7923670225 + 1558038784 = 89015^2 + 39472^2 .

It is an emirp because it is prime and its reverse (9009071849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9481709009 - 2⁴ = 9481708993 is a prime.

It is not a weakly prime, because it can be changed into another prime (9481709509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4740854504 + 4740854505.

It is an arithmetic number, because the mean of its divisors is an integer number (4740854505).

Almost surely, 2^9481709009 is an apocalyptic number.

It is an amenable number.

9481709009 is a deficient number, since it is larger than the sum of its proper divisors (1).

9481709009 is an equidigital number, since it uses as much as digits as its factorization.

9481709009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 9481709009 is about 97374.0674358425. The cubic root of 9481709009 is about 2116.5516660138.

The spelling of 9481709009 in words is "nine billion, four hundred eighty-one million, seven hundred nine thousand, nine".