28194512683 has 4 divisors (see below), whose sum is σ = 28200249360. Its totient is φ = 28188776008.

The previous prime is 28194512669. The next prime is 28194512701. The reversal of 28194512683 is 38621549182.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28194512683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28194512603) 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, 2860960 + ... + 2870797.

It is an arithmetic number, because the mean of its divisors is an integer number (7050062340).

Almost surely, 2^28194512683 is an apocalyptic number.

28194512683 is a deficient number, since it is larger than the sum of its proper divisors (5736677).

28194512683 is an equidigital number, since it uses as much as digits as its factorization.

28194512683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736676.

The product of its digits is 829440, while the sum is 49.

The spelling of 28194512683 in words is "twenty-eight billion, one hundred ninety-four million, five hundred twelve thousand, six hundred eighty-three".