108818464849 has 2 divisors, whose sum is σ = 108818464850. Its totient is φ = 108818464848.

The previous prime is 108818464841. The next prime is 108818464883. The reversal of 108818464849 is 948464818801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88323679249 + 20494785600 = 297193^2 + 143160^2 .

It is a cyclic number.

It is not a de Polignac number, because 108818464849 - 2³ = 108818464841 is a prime.

It is not a weakly prime, because it can be changed into another prime (108818464841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54409232424 + 54409232425.

It is an arithmetic number, because the mean of its divisors is an integer number (54409232425).

Almost surely, 2^108818464849 is an apocalyptic number.

It is an amenable number.

108818464849 is a deficient number, since it is larger than the sum of its proper divisors (1).

108818464849 is an equidigital number, since it uses as much as digits as its factorization.

108818464849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14155776, while the sum is 61.

The spelling of 108818464849 in words is "one hundred eight billion, eight hundred eighteen million, four hundred sixty-four thousand, eight hundred forty-nine".