9965133371 has 4 divisors (see below), whose sum is σ = 10022735472. Its totient is φ = 9907531272.

The previous prime is 9965133337. The next prime is 9965133413. The reversal of 9965133371 is 1733315699.

It is a happy number.

9965133371 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1733315699 = 17 ⋅101959747.

It is a cyclic number.

It is not a de Polignac number, because 9965133371 - 2¹⁰ = 9965132347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9965136371) 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, 28800791 + ... + 28801136.

It is an arithmetic number, because the mean of its divisors is an integer number (2505683868).

Almost surely, 2^9965133371 is an apocalyptic number.

9965133371 is a deficient number, since it is larger than the sum of its proper divisors (57602101).

9965133371 is a wasteful number, since it uses less digits than its factorization.

9965133371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57602100.

The product of its digits is 459270, while the sum is 47.

The square root of 9965133371 is about 99825.5146292770. The cubic root of 9965133371 is about 2151.9278450947.

The spelling of 9965133371 in words is "nine billion, nine hundred sixty-five million, one hundred thirty-three thousand, three hundred seventy-one".