9172942803 has 12 divisors (see below), whose sum is σ = 13273601328. Its totient is φ = 6104312880.

The previous prime is 9172942799. The next prime is 9172942847. The reversal of 9172942803 is 3082492719.

It is not a de Polignac number, because 9172942803 - 2² = 9172942799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9172942853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 909903 + ... + 919928.

It is an arithmetic number, because the mean of its divisors is an integer number (1106133444).

Almost surely, 2^9172942803 is an apocalyptic number.

9172942803 is a deficient number, since it is larger than the sum of its proper divisors (4100658525).

9172942803 is a wasteful number, since it uses less digits than its factorization.

9172942803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830394 (or 1830391 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 9172942803 is about 95775.4812204042. The cubic root of 9172942803 is about 2093.3229195195.

The spelling of 9172942803 in words is "nine billion, one hundred seventy-two million, nine hundred forty-two thousand, eight hundred three".