28094689411 has 4 divisors (see below), whose sum is σ = 28138113072. Its totient is φ = 28051265752.

The previous prime is 28094689349. The next prime is 28094689433. The reversal of 28094689411 is 11498649082.

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 28094689411 - 2¹⁵ = 28094656643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28094689471) 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, 21710860 + ... + 21712153.

It is an arithmetic number, because the mean of its divisors is an integer number (7034528268).

Almost surely, 2^28094689411 is an apocalyptic number.

28094689411 is a deficient number, since it is larger than the sum of its proper divisors (43423661).

28094689411 is an equidigital number, since it uses as much as digits as its factorization.

28094689411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43423660.

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 28094689411 in words is "twenty-eight billion, ninety-four million, six hundred eighty-nine thousand, four hundred eleven".