9005644916 has 12 divisors (see below), whose sum is σ = 16144266180. Its totient is φ = 4392997440.

The previous prime is 9005644897. The next prime is 9005644939. The reversal of 9005644916 is 6194465009.

It can be written as a sum of positive squares in 2 ways, for example, as 1402502500 + 7603142416 = 37450^2 + 87196^2 .

It is a super-2 number, since 2×9005644916² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27456071 + ... + 27456398.

It is an arithmetic number, because the mean of its divisors is an integer number (1345355515).

Almost surely, 2^9005644916 is an apocalyptic number.

It is an amenable number.

9005644916 is a deficient number, since it is larger than the sum of its proper divisors (7138621264).

9005644916 is a wasteful number, since it uses less digits than its factorization.

9005644916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54912514 (or 54912512 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 9005644916 is about 94898.0764610116. The cubic root of 9005644916 is about 2080.5186172896.

The spelling of 9005644916 in words is "nine billion, five million, six hundred forty-four thousand, nine hundred sixteen".