1002338189 has 2 divisors, whose sum is σ = 1002338190. Its totient is φ = 1002338188.

The previous prime is 1002338149. The next prime is 1002338191. The reversal of 1002338189 is 9818332001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 909504964 + 92833225 = 30158^2 + 9635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002338189 is a prime.

Together with 1002338191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002338119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501169094 + 501169095.

It is an arithmetic number, because the mean of its divisors is an integer number (501169095).

Almost surely, 2^1002338189 is an apocalyptic number.

It is an amenable number.

1002338189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002338189 is an equidigital number, since it uses as much as digits as its factorization.

1002338189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1002338189 is about 31659.7250303915. The cubic root of 1002338189 is about 1000.7787896625.

The spelling of 1002338189 in words is "one billion, two million, three hundred thirty-eight thousand, one hundred eighty-nine".