9216838845 has 12 divisors (see below), whose sum is σ = 15975854076. Its totient is φ = 4915647360.

The previous prime is 9216838837. The next prime is 9216838849. The reversal of 9216838845 is 5488386129.

9216838845 is a `hidden beast` number, since 9 + 216 + 8 + 388 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3545845209 + 5670993636 = 59547^2 + 75306^2 .

It is not a de Polignac number, because 9216838845 - 2³ = 9216838837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9216838791 and 9216838800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9216838849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102409276 + ... + 102409365.

It is an arithmetic number, because the mean of its divisors is an integer number (1331321173).

Almost surely, 2^9216838845 is an apocalyptic number.

It is an amenable number.

9216838845 is a deficient number, since it is larger than the sum of its proper divisors (6759015231).

9216838845 is a wasteful number, since it uses less digits than its factorization.

9216838845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204818652 (or 204818649 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 9216838845 is about 96004.3688849627. The cubic root of 9216838845 is about 2096.6567244273.

The spelling of 9216838845 in words is "nine billion, two hundred sixteen million, eight hundred thirty-eight thousand, eight hundred forty-five".