9423547164 has 18 divisors (see below), whose sum is σ = 23820633200. Its totient is φ = 3141182376.

The previous prime is 9423547127. The next prime is 9423547283. The reversal of 9423547164 is 4617453249.

9423547164 is a `hidden beast` number, since 9 + 42 + 3 + 547 + 1 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130882564 + ... + 130882635.

Almost surely, 2^9423547164 is an apocalyptic number.

It is an amenable number.

9423547164 is an abundant number, since it is smaller than the sum of its proper divisors (14397086036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9423547164 is a wasteful number, since it uses less digits than its factorization.

9423547164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261765209 (or 261765204 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 9423547164 is about 97074.9564202838. The cubic root of 9423547164 is about 2112.2150666620.

The spelling of 9423547164 in words is "nine billion, four hundred twenty-three million, five hundred forty-seven thousand, one hundred sixty-four".