10984399691 has 4 divisors (see below), whose sum is σ = 10984618512. Its totient is φ = 10984180872.

The previous prime is 10984399637. The next prime is 10984399697. The reversal of 10984399691 is 19699348901.

10984399691 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 10984399691 - 2¹⁸ = 10984137547 is a prime.

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 10984399691.

It is not an unprimeable number, because it can be changed into a prime (10984399697) 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, 7601 + ... + 148413.

It is an arithmetic number, because the mean of its divisors is an integer number (2746154628).

Almost surely, 2^10984399691 is an apocalyptic number.

10984399691 is a deficient number, since it is larger than the sum of its proper divisors (218821).

10984399691 is an equidigital number, since it uses as much as digits as its factorization.

10984399691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218820.

The product of its (nonzero) digits is 3779136, while the sum is 59.

The spelling of 10984399691 in words is "ten billion, nine hundred eighty-four million, three hundred ninety-nine thousand, six hundred ninety-one".