9645334472 has 128 divisors (see below), whose sum is σ = 20163686400. Its totient is φ = 4306756608.

The previous prime is 9645334469. The next prime is 9645334481. The reversal of 9645334472 is 2744335469.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40356929 + ... + 40357167.

It is an arithmetic number, because the mean of its divisors is an integer number (157528800).

Almost surely, 2^9645334472 is an apocalyptic number.

It is an amenable number.

9645334472 is an abundant number, since it is smaller than the sum of its proper divisors (10518351928).

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

9645334472 is a wasteful number, since it uses less digits than its factorization.

9645334472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 471 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 47.

The square root of 9645334472 is about 98210.6637387203. The cubic root of 9645334472 is about 2128.6573765909.

The spelling of 9645334472 in words is "nine billion, six hundred forty-five million, three hundred thirty-four thousand, four hundred seventy-two".