9381458985 has 16 divisors (see below), whose sum is σ = 15011904960. Its totient is φ = 5002921280.

The previous prime is 9381458921. The next prime is 9381459049. The reversal of 9381458985 is 5898541839.

9381458985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9381458921) and next prime (9381459049).

It is not a de Polignac number, because 9381458985 - 2⁶ = 9381458921 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 147406 + ... + 201224.

It is an arithmetic number, because the mean of its divisors is an integer number (938244060).

Almost surely, 2^9381458985 is an apocalyptic number.

It is an amenable number.

9381458985 is a deficient number, since it is larger than the sum of its proper divisors (5630445975).

9381458985 is a wasteful number, since it uses less digits than its factorization.

9381458985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65448.

The product of its digits is 12441600, while the sum is 60.

The square root of 9381458985 is about 96857.9319673923. The cubic root of 9381458985 is about 2109.0657937725.

The spelling of 9381458985 in words is "nine billion, three hundred eighty-one million, four hundred fifty-eight thousand, nine hundred eighty-five".