9145831873 has 8 divisors (see below), whose sum is σ = 9209334656. Its totient is φ = 9082368000.

The previous prime is 9145831867. The next prime is 9145831901. The reversal of 9145831873 is 3781385419.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9145831873 - 2⁹ = 9145831361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9145838873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587713 + ... + 603073.

It is an arithmetic number, because the mean of its divisors is an integer number (1151166832).

Almost surely, 2^9145831873 is an apocalyptic number.

It is an amenable number.

9145831873 is a deficient number, since it is larger than the sum of its proper divisors (63502783).

9145831873 is a wasteful number, since it uses less digits than its factorization.

9145831873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19455.

The product of its digits is 725760, while the sum is 49.

The square root of 9145831873 is about 95633.8427179416. The cubic root of 9145831873 is about 2091.2585898539.

The spelling of 9145831873 in words is "nine billion, one hundred forty-five million, eight hundred thirty-one thousand, eight hundred seventy-three".