8121434183 has 2 divisors, whose sum is σ = 8121434184. Its totient is φ = 8121434182.

The previous prime is 8121434147. The next prime is 8121434197. The reversal of 8121434183 is 3814341218.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8121434183 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8121434143) 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, 4060717091 + 4060717092.

It is an arithmetic number, because the mean of its divisors is an integer number (4060717092).

Almost surely, 2^8121434183 is an apocalyptic number.

8121434183 is a deficient number, since it is larger than the sum of its proper divisors (1).

8121434183 is an equidigital number, since it uses as much as digits as its factorization.

8121434183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The square root of 8121434183 is about 90119.0001220608. Note that the first 3 decimals coincide. The cubic root of 8121434183 is about 2010.0687404195.

The spelling of 8121434183 in words is "eight billion, one hundred twenty-one million, four hundred thirty-four thousand, one hundred eighty-three".