9995689331 has 16 divisors (see below), whose sum is σ = 10218983424. Its totient is φ = 9774873504.

The previous prime is 9995689303. The next prime is 9995689339. The reversal of 9995689331 is 1339865999.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9995689331 is a prime.

It is a super-2 number, since 2×9995689331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9995689339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6009806 + ... + 6011468.

It is an arithmetic number, because the mean of its divisors is an integer number (638686464).

Almost surely, 2^9995689331 is an apocalyptic number.

9995689331 is a deficient number, since it is larger than the sum of its proper divisors (223294093).

9995689331 is a wasteful number, since it uses less digits than its factorization.

9995689331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330.

The product of its digits is 14171760, while the sum is 62.

The square root of 9995689331 is about 99978.4443317658. Note that the first 3 decimals coincide. The cubic root of 9995689331 is about 2154.1250770453.

The spelling of 9995689331 in words is "nine billion, nine hundred ninety-five million, six hundred eighty-nine thousand, three hundred thirty-one".