9694859081 has 4 divisors (see below), whose sum is σ = 9831406464. Its totient is φ = 9558311700.

The previous prime is 9694859039. The next prime is 9694859087. The reversal of 9694859081 is 1809584969.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1809584969 = 1163 ⋅1555963.

It is a cyclic number.

It is not a de Polignac number, because 9694859081 - 2¹⁰ = 9694858057 is a prime.

It is a super-2 number, since 2×9694859081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9694859081.

It is not an unprimeable number, because it can be changed into a prime (9694859087) 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, 68273585 + ... + 68273726.

It is an arithmetic number, because the mean of its divisors is an integer number (2457851616).

Almost surely, 2^9694859081 is an apocalyptic number.

It is an amenable number.

9694859081 is a deficient number, since it is larger than the sum of its proper divisors (136547383).

9694859081 is a wasteful number, since it uses less digits than its factorization.

9694859081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136547382.

The product of its (nonzero) digits is 5598720, while the sum is 59.

The square root of 9694859081 is about 98462.4754970136. The cubic root of 9694859081 is about 2132.2944029434.

The spelling of 9694859081 in words is "nine billion, six hundred ninety-four million, eight hundred fifty-nine thousand, eighty-one".