8449862111 has 2 divisors, whose sum is σ = 8449862112. Its totient is φ = 8449862110.

The previous prime is 8449862089. The next prime is 8449862143. The reversal of 8449862111 is 1112689448.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8449862111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8449562111) 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, 4224931055 + 4224931056.

It is an arithmetic number, because the mean of its divisors is an integer number (4224931056).

Almost surely, 2^8449862111 is an apocalyptic number.

8449862111 is a deficient number, since it is larger than the sum of its proper divisors (1).

8449862111 is an equidigital number, since it uses as much as digits as its factorization.

8449862111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 44.

The square root of 8449862111 is about 91923.1315339072. The cubic root of 8449862111 is about 2036.8069771030.

The spelling of 8449862111 in words is "eight billion, four hundred forty-nine million, eight hundred sixty-two thousand, one hundred eleven".