9644272972 has 6 divisors (see below), whose sum is σ = 16877477708. Its totient is φ = 4822136484.

The previous prime is 9644272969. The next prime is 9644273033. The reversal of 9644272972 is 2792724469.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1205534118 + ... + 1205534125.

Almost surely, 2^9644272972 is an apocalyptic number.

It is an amenable number.

9644272972 is a deficient number, since it is larger than the sum of its proper divisors (7233204736).

9644272972 is a wasteful number, since it uses less digits than its factorization.

9644272972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411068247 (or 2411068245 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 52.

The square root of 9644272972 is about 98205.2593907271. The cubic root of 9644272972 is about 2128.5792852018.

The spelling of 9644272972 in words is "nine billion, six hundred forty-four million, two hundred seventy-two thousand, nine hundred seventy-two".