1530050189 has 2 divisors, whose sum is σ = 1530050190. Its totient is φ = 1530050188.

The previous prime is 1530050131. The next prime is 1530050191. The reversal of 1530050189 is 9810500351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922033225 + 608016964 = 30365^2 + 24658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1530050189 is a prime.

Together with 1530050191, 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 (1530050089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765025094 + 765025095.

It is an arithmetic number, because the mean of its divisors is an integer number (765025095).

Almost surely, 2^1530050189 is an apocalyptic number.

It is an amenable number.

1530050189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530050189 is an equidigital number, since it uses as much as digits as its factorization.

1530050189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 1530050189 is about 39115.8559793851. The cubic root of 1530050189 is about 1152.3079520577.

The spelling of 1530050189 in words is "one billion, five hundred thirty million, fifty thousand, one hundred eighty-nine".