8442686245 has 16 divisors (see below), whose sum is σ = 12081957120. Its totient is φ = 5537562624.

The previous prime is 8442686237. The next prime is 8442686249. The reversal of 8442686245 is 5426862448.

It is a cyclic number.

It is not a de Polignac number, because 8442686245 - 2³ = 8442686237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442686249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5243100 + ... + 5244709.

It is an arithmetic number, because the mean of its divisors is an integer number (755122320).

Almost surely, 2^8442686245 is an apocalyptic number.

It is an amenable number.

8442686245 is a deficient number, since it is larger than the sum of its proper divisors (3639270875).

8442686245 is a wasteful number, since it uses less digits than its factorization.

8442686245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10487844.

The product of its digits is 2949120, while the sum is 49.

The square root of 8442686245 is about 91884.0913597125. The cubic root of 8442686245 is about 2036.2302421181.

The spelling of 8442686245 in words is "eight billion, four hundred forty-two million, six hundred eighty-six thousand, two hundred forty-five".