884564905009 has 2 divisors, whose sum is σ = 884564905010. Its totient is φ = 884564905008.

The previous prime is 884564905001. The next prime is 884564905093. The reversal of 884564905009 is 900509465488.

884564905009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 862623000625 + 21941904384 = 928775^2 + 148128^2 .

It is a cyclic number.

It is not a de Polignac number, because 884564905009 - 2³ = 884564905001 is a prime.

It is not a weakly prime, because it can be changed into another prime (884564905001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442282452504 + 442282452505.

It is an arithmetic number, because the mean of its divisors is an integer number (442282452505).

Almost surely, 2^884564905009 is an apocalyptic number.

It is an amenable number.

884564905009 is a deficient number, since it is larger than the sum of its proper divisors (1).

884564905009 is an equidigital number, since it uses as much as digits as its factorization.

884564905009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 884564905009 in words is "eight hundred eighty-four billion, five hundred sixty-four million, nine hundred five thousand, nine".