8505941899 has 12 divisors (see below), whose sum is σ = 10655796144. Its totient is φ = 6729975504.

The previous prime is 8505941897. The next prime is 8505941921. The reversal of 8505941899 is 9981495058.

It is not a de Polignac number, because 8505941899 - 2¹ = 8505941897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8505941893) 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, 6675927 + ... + 6677200.

It is an arithmetic number, because the mean of its divisors is an integer number (887983012).

Almost surely, 2^8505941899 is an apocalyptic number.

8505941899 is a deficient number, since it is larger than the sum of its proper divisors (2149854245).

8505941899 is a wasteful number, since it uses less digits than its factorization.

8505941899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353154 (or 13353147 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 58.

The square root of 8505941899 is about 92227.6634150513. The cubic root of 8505941899 is about 2041.3029849446.

The spelling of 8505941899 in words is "eight billion, five hundred five million, nine hundred forty-one thousand, eight hundred ninety-nine".