9845806844159 has 16 divisors (see below), whose sum is σ = 11569979095584. Its totient is φ = 8260160284800.

The previous prime is 9845806844149. The next prime is 9845806844191. The reversal of 9845806844159 is 9514486085489.

It is a cyclic number.

It is not a de Polignac number, because 9845806844159 - 2⁴⁰ = 8746295216383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9845806844092 and 9845806844101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9845806844149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7986524 + ... + 9136529.

It is an arithmetic number, because the mean of its divisors is an integer number (723123693474).

Almost surely, 2^{9845806844159} is an apocalyptic number.

9845806844159 is a deficient number, since it is larger than the sum of its proper divisors (1724172251425).

9845806844159 is a wasteful number, since it uses less digits than its factorization.

9845806844159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17127098.

The product of its (nonzero) digits is 398131200, while the sum is 71.

The spelling of 9845806844159 in words is "nine trillion, eight hundred forty-five billion, eight hundred six million, eight hundred forty-four thousand, one hundred fifty-nine".