1002044302009 has 2 divisors, whose sum is σ = 1002044302010. Its totient is φ = 1002044302008.

The previous prime is 1002044302003. The next prime is 1002044302037. The reversal of 1002044302009 is 9002034402001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 836209658025 + 165834643984 = 914445^2 + 407228^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002044302009 - 2³ = 1002044302001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002044302001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501022151004 + 501022151005.

It is an arithmetic number, because the mean of its divisors is an integer number (501022151005).

Almost surely, 2^{1002044302009} is an apocalyptic number.

It is an amenable number.

1002044302009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002044302009 is an equidigital number, since it uses as much as digits as its factorization.

1002044302009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 1002044302009 in words is "one trillion, two billion, forty-four million, three hundred two thousand, nine".