8642005033 has 2 divisors, whose sum is σ = 8642005034. Its totient is φ = 8642005032.

The previous prime is 8642005019. The next prime is 8642005061. The reversal of 8642005033 is 3305002468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7363012864 + 1278992169 = 85808^2 + 35763^2 .

It is a cyclic number.

It is not a de Polignac number, because 8642005033 - 2³³ = 52070441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8642004986 and 8642005004.

It is not a weakly prime, because it can be changed into another prime (8642006033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4321002516 + 4321002517.

It is an arithmetic number, because the mean of its divisors is an integer number (4321002517).

Almost surely, 2^8642005033 is an apocalyptic number.

It is an amenable number.

8642005033 is a deficient number, since it is larger than the sum of its proper divisors (1).

8642005033 is an equidigital number, since it uses as much as digits as its factorization.

8642005033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 8642005033 is about 92962.3850436293. The cubic root of 8642005033 is about 2052.1298532816.

The spelling of 8642005033 in words is "eight billion, six hundred forty-two million, five thousand, thirty-three".