9993535709 has 4 divisors (see below), whose sum is σ = 9993767616. Its totient is φ = 9993303804.

The previous prime is 9993535703. The next prime is 9993535759. The reversal of 9993535709 is 9075353999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9075353999 = 103 ⋅88110233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9993535709 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 (9993535703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30149 + ... + 144554.

It is an arithmetic number, because the mean of its divisors is an integer number (2498441904).

Almost surely, 2^9993535709 is an apocalyptic number.

It is an amenable number.

9993535709 is a deficient number, since it is larger than the sum of its proper divisors (231907).

9993535709 is a wasteful number, since it uses less digits than its factorization.

9993535709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231906.

The product of its (nonzero) digits is 10333575, while the sum is 59.

The square root of 9993535709 is about 99967.6733199288. The cubic root of 9993535709 is about 2153.9703602062.

The spelling of 9993535709 in words is "nine billion, nine hundred ninety-three million, five hundred thirty-five thousand, seven hundred nine".