8545649425 has 12 divisors (see below), whose sum is σ = 11057328000. Its totient is φ = 6539279120.

The previous prime is 8545649417. The next prime is 8545649429. The reversal of 8545649425 is 5249465458.

8545649425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8545649425 - 2³ = 8545649417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8545649429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7430425 + ... + 7431574.

It is an arithmetic number, because the mean of its divisors is an integer number (921444000).

Almost surely, 2^8545649425 is an apocalyptic number.

It is an amenable number.

8545649425 is a deficient number, since it is larger than the sum of its proper divisors (2511678575).

8545649425 is a wasteful number, since it uses less digits than its factorization.

8545649425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14862032 (or 14862027 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 52.

The square root of 8545649425 is about 92442.6818358273. The cubic root of 8545649425 is about 2044.4744655792.

The spelling of 8545649425 in words is "eight billion, five hundred forty-five million, six hundred forty-nine thousand, four hundred twenty-five".