9644112893 has 8 divisors (see below), whose sum is σ = 10036414080. Its totient is φ = 9255794800.

The previous prime is 9644112887. The next prime is 9644112991. The reversal of 9644112893 is 3982114469.

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 9644112893 - 2²⁰ = 9643064317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9644112823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990833 + ... + 1000518.

It is an arithmetic number, because the mean of its divisors is an integer number (1254551760).

Almost surely, 2^9644112893 is an apocalyptic number.

It is an amenable number.

9644112893 is a deficient number, since it is larger than the sum of its proper divisors (392301187).

9644112893 is a wasteful number, since it uses less digits than its factorization.

9644112893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991547.

The product of its digits is 373248, while the sum is 47.

The square root of 9644112893 is about 98204.4443648046. Note that the first 3 decimals coincide. The cubic root of 9644112893 is about 2128.5675081700.

The spelling of 9644112893 in words is "nine billion, six hundred forty-four million, one hundred twelve thousand, eight hundred ninety-three".