1002319189 has 2 divisors, whose sum is σ = 1002319190. Its totient is φ = 1002319188.

The previous prime is 1002319151. The next prime is 1002319193. The reversal of 1002319189 is 9819132001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 906612100 + 95707089 = 30110^2 + 9783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002319189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002319289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501159594 + 501159595.

It is an arithmetic number, because the mean of its divisors is an integer number (501159595).

Almost surely, 2^1002319189 is an apocalyptic number.

It is an amenable number.

1002319189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002319189 is an equidigital number, since it uses as much as digits as its factorization.

1002319189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1002319189 is about 31659.4249631922. The cubic root of 1002319189 is about 1000.7724661424.

The spelling of 1002319189 in words is "one billion, two million, three hundred nineteen thousand, one hundred eighty-nine".