8424586081 has 2 divisors, whose sum is σ = 8424586082. Its totient is φ = 8424586080.

The previous prime is 8424586063. The next prime is 8424586117. The reversal of 8424586081 is 1806854248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8424486225 + 99856 = 91785^2 + 316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8424586081 is a prime.

It is a super-2 number, since 2×8424586081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8427586081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4212293040 + 4212293041.

It is an arithmetic number, because the mean of its divisors is an integer number (4212293041).

Almost surely, 2^8424586081 is an apocalyptic number.

It is an amenable number.

8424586081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8424586081 is an equidigital number, since it uses as much as digits as its factorization.

8424586081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 491520, while the sum is 46.

The square root of 8424586081 is about 91785.5439652672. The cubic root of 8424586081 is about 2034.7740519078.

The spelling of 8424586081 in words is "eight billion, four hundred twenty-four million, five hundred eighty-six thousand, eighty-one".