28818341099 has 2 divisors, whose sum is σ = 28818341100. Its totient is φ = 28818341098.

The previous prime is 28818341089. The next prime is 28818341113. The reversal of 28818341099 is 99014381882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28818341099 - 2³² = 24523373803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28818341099.

It is not a weakly prime, because it can be changed into another prime (28818341039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14409170549 + 14409170550.

It is an arithmetic number, because the mean of its divisors is an integer number (14409170550).

Almost surely, 2^28818341099 is an apocalyptic number.

28818341099 is a deficient number, since it is larger than the sum of its proper divisors (1).

28818341099 is an equidigital number, since it uses as much as digits as its factorization.

28818341099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 28818341099 in words is "twenty-eight billion, eight hundred eighteen million, three hundred forty-one thousand, ninety-nine".