28364344683 has 4 divisors (see below), whose sum is σ = 37819126248. Its totient is φ = 18909563120.

The previous prime is 28364344663. The next prime is 28364344721. The reversal of 28364344683 is 38644346382.

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 28364344683 - 2⁹ = 28364344171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28364344663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4727390778 + ... + 4727390783.

It is an arithmetic number, because the mean of its divisors is an integer number (9454781562).

Almost surely, 2^28364344683 is an apocalyptic number.

28364344683 is a deficient number, since it is larger than the sum of its proper divisors (9454781565).

28364344683 is an equidigital number, since it uses as much as digits as its factorization.

28364344683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9454781564.

The product of its digits is 7962624, while the sum is 51.

The spelling of 28364344683 in words is "twenty-eight billion, three hundred sixty-four million, three hundred forty-four thousand, six hundred eighty-three".