9985509074 has 8 divisors (see below), whose sum is σ = 14980157820. Its totient is φ = 4992123136.

The previous prime is 9985509073. The next prime is 9985509089. The reversal of 9985509074 is 4709055899.

9985509074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9941485849 + 44023225 = 99707^2 + 6635^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9985509073) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 295679 + ... + 327714.

Almost surely, 2^9985509074 is an apocalyptic number.

9985509074 is a deficient number, since it is larger than the sum of its proper divisors (4994648746).

9985509074 is a wasteful number, since it uses less digits than its factorization.

9985509074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631404.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The square root of 9985509074 is about 99927.5191025976. The cubic root of 9985509074 is about 2153.3935285012.

The spelling of 9985509074 in words is "nine billion, nine hundred eighty-five million, five hundred nine thousand, seventy-four".