9935375399 has 4 divisors (see below), whose sum is σ = 10519809264. Its totient is φ = 9350941536.

The previous prime is 9935375377. The next prime is 9935375441. The reversal of 9935375399 is 9935735399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9935735399 = 127 ⋅78234137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9935375399 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 (9935375339) 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, 292216907 + ... + 292216940.

It is an arithmetic number, because the mean of its divisors is an integer number (2629952316).

Almost surely, 2^9935375399 is an apocalyptic number.

9935375399 is a deficient number, since it is larger than the sum of its proper divisors (584433865).

9935375399 is a wasteful number, since it uses less digits than its factorization.

9935375399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584433864.

The product of its digits is 31000725, while the sum is 62.

The square root of 9935375399 is about 99676.3532589350. The cubic root of 9935375399 is about 2149.7836738539.

Subtracting 9935375399 from its reverse (9935735399), we obtain a square (360000 = 600²).

The spelling of 9935375399 in words is "nine billion, nine hundred thirty-five million, three hundred seventy-five thousand, three hundred ninety-nine".