9442397585 has 32 divisors (see below), whose sum is σ = 11782405152. Its totient is φ = 7260364800.

The previous prime is 9442397579. The next prime is 9442397603. The reversal of 9442397585 is 5857932449.

9442397585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 97172²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 1379973904 + 8062423681 = 37148^2 + 89791^2 .

It is not a de Polignac number, because 9442397585 - 2¹² = 9442393489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9442397585.

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 31 ways as a sum of consecutive naturals, for example, 2594387 + ... + 2598023.

It is an arithmetic number, because the mean of its divisors is an integer number (368200161).

Almost surely, 2^9442397585 is an apocalyptic number.

It is an amenable number.

9442397585 is a deficient number, since it is larger than the sum of its proper divisors (2340007567).

9442397585 is a wasteful number, since it uses less digits than its factorization.

9442397585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893.

The product of its digits is 10886400, while the sum is 56.

The square root of 9442397585 is about 97172.0000051455. Note that the first 5 decimals coincide. The cubic root of 9442397585 is about 2113.6225205376.

The spelling of 9442397585 in words is "nine billion, four hundred forty-two million, three hundred ninety-seven thousand, five hundred eighty-five".