9985373135 has 4 divisors (see below), whose sum is σ = 11982447768. Its totient is φ = 7988298504.

The previous prime is 9985373131. The next prime is 9985373143. The reversal of 9985373135 is 5313735899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5313735899 = 739 ⋅7190441.

It is a cyclic number.

It is not a de Polignac number, because 9985373135 - 2² = 9985373131 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 (9985373131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998537309 + ... + 998537318.

It is an arithmetic number, because the mean of its divisors is an integer number (2995611942).

Almost surely, 2^9985373135 is an apocalyptic number.

9985373135 is a deficient number, since it is larger than the sum of its proper divisors (1997074633).

9985373135 is a wasteful number, since it uses less digits than its factorization.

9985373135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997074632.

The product of its digits is 3061800, while the sum is 53.

The square root of 9985373135 is about 99926.8389122762. The cubic root of 9985373135 is about 2153.3837566244.

The spelling of 9985373135 in words is "nine billion, nine hundred eighty-five million, three hundred seventy-three thousand, one hundred thirty-five".