8459040881 has 2 divisors, whose sum is σ = 8459040882. Its totient is φ = 8459040880.

The previous prime is 8459040869. The next prime is 8459040913. The reversal of 8459040881 is 1880409548.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7191040000 + 1268000881 = 84800^2 + 35609^2 .

It is a cyclic number.

It is not a de Polignac number, because 8459040881 - 2⁶ = 8459040817 is a prime.

It is a super-2 number, since 2×8459040881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8459040841) 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, 4229520440 + 4229520441.

It is an arithmetic number, because the mean of its divisors is an integer number (4229520441).

Almost surely, 2^8459040881 is an apocalyptic number.

It is an amenable number.

8459040881 is a deficient number, since it is larger than the sum of its proper divisors (1).

8459040881 is an equidigital number, since it uses as much as digits as its factorization.

8459040881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 8459040881 is about 91973.0443173433. The cubic root of 8459040881 is about 2037.5442127031.

The spelling of 8459040881 in words is "eight billion, four hundred fifty-nine million, forty thousand, eight hundred eighty-one".