9018678645 has 32 divisors (see below), whose sum is σ = 16044739200. Its totient is φ = 4806502272.

The previous prime is 9018678629. The next prime is 9018678673. The reversal of 9018678645 is 5468768109.

9018678645 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 9018678645 - 2⁴ = 9018678629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9018678591 and 9018678600.

It is a congruent number.

It is an unprimeable number.

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, 170146 + ... + 216764.

It is an arithmetic number, because the mean of its divisors is an integer number (501398100).

Almost surely, 2^9018678645 is an apocalyptic number.

It is an amenable number.

9018678645 is a deficient number, since it is larger than the sum of its proper divisors (7026060555).

9018678645 is a wasteful number, since it uses less digits than its factorization.

9018678645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48066 (or 48060 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 9018678645 is about 94966.7238826316. The cubic root of 9018678645 is about 2081.5218341474.

The spelling of 9018678645 in words is "nine billion, eighteen million, six hundred seventy-eight thousand, six hundred forty-five".