9006847009 has 4 divisors (see below), whose sum is σ = 9014825860. Its totient is φ = 8998868160.

The previous prime is 9006846991. The next prime is 9006847093. The reversal of 9006847009 is 9007486009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9007486009 = 19 ⋅474078211.

It can be written as a sum of positive squares in 2 ways, for example, as 925376400 + 8081470609 = 30420^2 + 89897^2 .

It is a cyclic number.

It is not a de Polignac number, because 9006847009 - 2¹³ = 9006838817 is a prime.

It is a super-2 number, since 2×9006847009² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9006847709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3987732 + ... + 3989989.

It is an arithmetic number, because the mean of its divisors is an integer number (2253706465).

Almost surely, 2^9006847009 is an apocalyptic number.

It is an amenable number.

9006847009 is a deficient number, since it is larger than the sum of its proper divisors (7978851).

9006847009 is a wasteful number, since it uses less digits than its factorization.

9006847009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7978850.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 9006847009 is about 94904.4098501223. The cubic root of 9006847009 is about 2080.6111838824.

The spelling of 9006847009 in words is "nine billion, six million, eight hundred forty-seven thousand, nine".