8933139645 has 32 divisors (see below), whose sum is σ = 14762456064. Its totient is φ = 4608038400.

The previous prime is 8933139623. The next prime is 8933139689. The reversal of 8933139645 is 5469313398.

It is a happy number.

8933139645 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 8933139645 - 2⁹ = 8933139133 is a prime.

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, 1024705 + ... + 1033385.

It is an arithmetic number, because the mean of its divisors is an integer number (461326752).

Almost surely, 2^8933139645 is an apocalyptic number.

It is an amenable number.

8933139645 is a deficient number, since it is larger than the sum of its proper divisors (5829316419).

8933139645 is a wasteful number, since it uses less digits than its factorization.

8933139645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10933.

The product of its digits is 2099520, while the sum is 51.

The square root of 8933139645 is about 94515.2878903725. The cubic root of 8933139645 is about 2074.9200836304.

The spelling of 8933139645 in words is "eight billion, nine hundred thirty-three million, one hundred thirty-nine thousand, six hundred forty-five".