9992691011 has 4 divisors (see below), whose sum is σ = 10236415224. Its totient is φ = 9748966800.

The previous prime is 9992690999. The next prime is 9992691041. The reversal of 9992691011 is 1101962999.

It is a happy number.

9992691011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9992691011 - 2³⁰ = 8918949187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9992691041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121862045 + ... + 121862126.

It is an arithmetic number, because the mean of its divisors is an integer number (2559103806).

Almost surely, 2^9992691011 is an apocalyptic number.

9992691011 is a deficient number, since it is larger than the sum of its proper divisors (243724213).

9992691011 is a wasteful number, since it uses less digits than its factorization.

9992691011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243724212.

The product of its (nonzero) digits is 78732, while the sum is 47.

The square root of 9992691011 is about 99963.4483748935. The cubic root of 9992691011 is about 2153.9096707841.

The spelling of 9992691011 in words is "nine billion, nine hundred ninety-two million, six hundred ninety-one thousand, eleven".