8450542091 has 2 divisors, whose sum is σ = 8450542092. Its totient is φ = 8450542090.

The previous prime is 8450542063. The next prime is 8450542099. The reversal of 8450542091 is 1902450548.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8450542091 is a prime.

It is not a weakly prime, because it can be changed into another prime (8450542099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4225271045 + 4225271046.

It is an arithmetic number, because the mean of its divisors is an integer number (4225271046).

Almost surely, 2^8450542091 is an apocalyptic number.

8450542091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8450542091 is an equidigital number, since it uses as much as digits as its factorization.

8450542091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 8450542091 is about 91926.8300932867. The cubic root of 8450542091 is about 2036.8616111645.

The spelling of 8450542091 in words is "eight billion, four hundred fifty million, five hundred forty-two thousand, ninety-one".