9965797434 has 24 divisors (see below), whose sum is σ = 21713196960. Its totient is φ = 3303373128.

The previous prime is 9965797411. The next prime is 9965797459. The reversal of 9965797434 is 4347975699.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1543302 + ... + 1549745.

It is an arithmetic number, because the mean of its divisors is an integer number (904716540).

Almost surely, 2^9965797434 is an apocalyptic number.

9965797434 is an abundant number, since it is smaller than the sum of its proper divisors (11747399526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9965797434 is a wasteful number, since it uses less digits than its factorization.

9965797434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093234 (or 3093231 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The square root of 9965797434 is about 99828.8406924572. The cubic root of 9965797434 is about 2151.9756445526.

The spelling of 9965797434 in words is "nine billion, nine hundred sixty-five million, seven hundred ninety-seven thousand, four hundred thirty-four".