8841842009 has 32 divisors (see below), whose sum is σ = 11882578176. Its totient is φ = 6353867520.

The previous prime is 8841841993. The next prime is 8841842021. The reversal of 8841842009 is 9002481488.

It is a happy number.

It is not a de Polignac number, because 8841842009 - 2⁴ = 8841841993 is a prime.

It is a super-2 number, since 2×8841842009² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8841842089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1274819 + ... + 1281735.

It is an arithmetic number, because the mean of its divisors is an integer number (371330568).

Almost surely, 2^8841842009 is an apocalyptic number.

It is an amenable number.

8841842009 is a deficient number, since it is larger than the sum of its proper divisors (3040736167).

8841842009 is a wasteful number, since it uses less digits than its factorization.

8841842009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 8841842009 is about 94031.0693813486. The cubic root of 8841842009 is about 2067.8272306864.

The spelling of 8841842009 in words is "eight billion, eight hundred forty-one million, eight hundred forty-two thousand, nine".