9818859445 has 16 divisors (see below), whose sum is σ = 11958928128. Its totient is φ = 7737748480.

The previous prime is 9818859419. The next prime is 9818859451. The reversal of 9818859445 is 5449588189.

It is not a de Polignac number, because 9818859445 - 2⁷ = 9818859317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420672 + ... + 443398.

It is an arithmetic number, because the mean of its divisors is an integer number (747433008).

Almost surely, 2^9818859445 is an apocalyptic number.

It is an amenable number.

9818859445 is a deficient number, since it is larger than the sum of its proper divisors (2140068683).

9818859445 is a wasteful number, since it uses less digits than its factorization.

9818859445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24020.

The product of its digits is 16588800, while the sum is 61.

The square root of 9818859445 is about 99090.1581641689. The cubic root of 9818859445 is about 2141.3468277455.

The spelling of 9818859445 in words is "nine billion, eight hundred eighteen million, eight hundred fifty-nine thousand, four hundred forty-five".