9858344745 has 8 divisors (see below), whose sum is σ = 15773351616. Its totient is φ = 5257783856.

The previous prime is 9858344729. The next prime is 9858344831. The reversal of 9858344745 is 5474438589.

It is a happy number.

9858344745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9858344745 - 2⁴ = 9858344729 is a prime.

It is a super-2 number, since 2×9858344745² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328611477 + ... + 328611506.

It is an arithmetic number, because the mean of its divisors is an integer number (1971668952).

Almost surely, 2^9858344745 is an apocalyptic number.

It is an amenable number.

9858344745 is a deficient number, since it is larger than the sum of its proper divisors (5915006871).

9858344745 is a wasteful number, since it uses less digits than its factorization.

9858344745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657222991.

The product of its digits is 19353600, while the sum is 57.

The square root of 9858344745 is about 99289.1975242020. The cubic root of 9858344745 is about 2144.2133737324.

The spelling of 9858344745 in words is "nine billion, eight hundred fifty-eight million, three hundred forty-four thousand, seven hundred forty-five".