9285845249 has 2 divisors, whose sum is σ = 9285845250. Its totient is φ = 9285845248.

The previous prime is 9285845221. The next prime is 9285845291. The reversal of 9285845249 is 9425485829.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6313414849 + 2972430400 = 79457^2 + 54520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9285845249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9285845194 and 9285845203.

It is not a weakly prime, because it can be changed into another prime (9285845209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4642922624 + 4642922625.

It is an arithmetic number, because the mean of its divisors is an integer number (4642922625).

Almost surely, 2^9285845249 is an apocalyptic number.

It is an amenable number.

9285845249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9285845249 is an equidigital number, since it uses as much as digits as its factorization.

9285845249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8294400, while the sum is 56.

The square root of 9285845249 is about 96363.0906986695. The cubic root of 9285845249 is about 2101.8762708936.

The spelling of 9285845249 in words is "nine billion, two hundred eighty-five million, eight hundred forty-five thousand, two hundred forty-nine".