9068817691 has 4 divisors (see below), whose sum is σ = 9279720472. Its totient is φ = 8857914912.

The previous prime is 9068817677. The next prime is 9068817701. The reversal of 9068817691 is 1967188609.

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

It is a cyclic number.

It is not a de Polignac number, because 9068817691 - 2¹¹ = 9068815643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9068817631) 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, 105451326 + ... + 105451411.

It is an arithmetic number, because the mean of its divisors is an integer number (2319930118).

Almost surely, 2^9068817691 is an apocalyptic number.

9068817691 is a deficient number, since it is larger than the sum of its proper divisors (210902781).

9068817691 is a wasteful number, since it uses less digits than its factorization.

9068817691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210902780.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 9068817691 is about 95230.3401810578. The cubic root of 9068817691 is about 2085.3720917696.

The spelling of 9068817691 in words is "nine billion, sixty-eight million, eight hundred seventeen thousand, six hundred ninety-one".