8504843841 has 12 divisors (see below), whose sum is σ = 13229757268. Its totient is φ = 5233749984.

The previous prime is 8504843807. The next prime is 8504843849. The reversal of 8504843841 is 1483484058.

It can be written as a sum of positive squares in 2 ways, for example, as 2146376241 + 6358467600 = 46329^2 + 79740^2 .

It is not a de Polignac number, because 8504843841 - 2⁶ = 8504843777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8504843849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36345370 + ... + 36345603.

Almost surely, 2^8504843841 is an apocalyptic number.

It is an amenable number.

8504843841 is a deficient number, since it is larger than the sum of its proper divisors (4724913427).

8504843841 is a wasteful number, since it uses less digits than its factorization.

8504843841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72690992 (or 72690989 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 8504843841 is about 92221.7102476418. The cubic root of 8504843841 is about 2041.2151418204.

The spelling of 8504843841 in words is "eight billion, five hundred four million, eight hundred forty-three thousand, eight hundred forty-one".