8630542845 has 32 divisors (see below), whose sum is σ = 15717421440. Its totient is φ = 4490686080.

The previous prime is 8630542841. The next prime is 8630542859. The reversal of 8630542845 is 5482450368.

8630542845 is a `hidden beast` number, since 8 + 63 + 0 + 542 + 8 + 45 = 666.

8630542845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8630542845 - 2² = 8630542841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8630542845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8630542841) 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 31 ways as a sum of consecutive naturals, for example, 774099 + ... + 785168.

It is an arithmetic number, because the mean of its divisors is an integer number (491169420).

Almost surely, 2^8630542845 is an apocalyptic number.

It is an amenable number.

8630542845 is a deficient number, since it is larger than the sum of its proper divisors (7086878595).

8630542845 is a wasteful number, since it uses less digits than its factorization.

8630542845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559322 (or 1559316 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The square root of 8630542845 is about 92900.7149864844. The cubic root of 8630542845 is about 2051.2221817764. Note that the first 3 decimals are identical.

The spelling of 8630542845 in words is "eight billion, six hundred thirty million, five hundred forty-two thousand, eight hundred forty-five".