9852944645 has 8 divisors (see below), whose sum is σ = 11824921080. Its totient is φ = 7881430720.

The previous prime is 9852944587. The next prime is 9852944669. The reversal of 9852944645 is 5464492589.

It is a Cunningham number, because it is equal to 99262²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2580436804 + 7272507841 = 50798^2 + 85279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9852944645 - 2⁶ = 9852944581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66890 + ... + 155499.

It is an arithmetic number, because the mean of its divisors is an integer number (1478115135).

Almost surely, 2^9852944645 is an apocalyptic number.

It is an amenable number.

9852944645 is a deficient number, since it is larger than the sum of its proper divisors (1971976435).

9852944645 is a wasteful number, since it uses less digits than its factorization.

9852944645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231255.

The product of its digits is 12441600, while the sum is 56.

The square root of 9852944645 is about 99262.0000050372. Note that the first 5 decimals coincide. The cubic root of 9852944645 is about 2143.8217907036.

It can be divided in two parts, 9852944 and 645, that added together give a palindrome (9853589).

The spelling of 9852944645 in words is "nine billion, eight hundred fifty-two million, nine hundred forty-four thousand, six hundred forty-five".