9439152172 has 12 divisors (see below), whose sum is σ = 16609780096. Its totient is φ = 4693500720.

The previous prime is 9439152161. The next prime is 9439152179. The reversal of 9439152172 is 2712519349.

It is not an unprimeable number, because it can be changed into a prime (9439152179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6518028 + ... + 6519475.

Almost surely, 2^9439152172 is an apocalyptic number.

It is an amenable number.

9439152172 is a deficient number, since it is larger than the sum of its proper divisors (7170627924).

9439152172 is a wasteful number, since it uses less digits than its factorization.

9439152172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13037688 (or 13037686 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 9439152172 is about 97155.2992481625. The cubic root of 9439152172 is about 2113.3803375543.

The spelling of 9439152172 in words is "nine billion, four hundred thirty-nine million, one hundred fifty-two thousand, one hundred seventy-two".