9845688245 has 4 divisors (see below), whose sum is σ = 11814825900. Its totient is φ = 7876550592.

The previous prime is 9845688241. The next prime is 9845688283. The reversal of 9845688245 is 5428865489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5428865489 = 227 ⋅23915707.

It can be written as a sum of positive squares in 2 ways, for example, as 1201523569 + 8644164676 = 34663^2 + 92974^2 .

It is a cyclic number.

It is not a de Polignac number, because 9845688245 - 2² = 9845688241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9845688241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984568820 + ... + 984568829.

It is an arithmetic number, because the mean of its divisors is an integer number (2953706475).

Almost surely, 2^9845688245 is an apocalyptic number.

It is an amenable number.

9845688245 is a deficient number, since it is larger than the sum of its proper divisors (1969137655).

9845688245 is a wasteful number, since it uses less digits than its factorization.

9845688245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969137654.

The product of its digits is 22118400, while the sum is 59.

The square root of 9845688245 is about 99225.4415208116. The cubic root of 9845688245 is about 2143.2953745064.

The spelling of 9845688245 in words is "nine billion, eight hundred forty-five million, six hundred eighty-eight thousand, two hundred forty-five".