9696537839 has 4 divisors (see below), whose sum is σ = 9697003680. Its totient is φ = 9696072000.

The previous prime is 9696537803. The next prime is 9696537847. The reversal of 9696537839 is 9387356969.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9696537839 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 (9696537139) 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, 200162 + ... + 243839.

It is an arithmetic number, because the mean of its divisors is an integer number (2424250920).

Almost surely, 2^9696537839 is an apocalyptic number.

9696537839 is a deficient number, since it is larger than the sum of its proper divisors (465841).

9696537839 is a wasteful number, since it uses less digits than its factorization.

9696537839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465840.

The product of its digits is 66134880, while the sum is 65.

The square root of 9696537839 is about 98470.9999898447. Note that the first 4 decimals coincide. The cubic root of 9696537839 is about 2132.4174715946.

The spelling of 9696537839 in words is "nine billion, six hundred ninety-six million, five hundred thirty-seven thousand, eight hundred thirty-nine".