1430234189 has 2 divisors, whose sum is σ = 1430234190. Its totient is φ = 1430234188.

The previous prime is 1430234161. The next prime is 1430234233. The reversal of 1430234189 is 9814320341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1377671689 + 52562500 = 37117^2 + 7250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430234189 - 2²⁰ = 1429185613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430234129) 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, 715117094 + 715117095.

It is an arithmetic number, because the mean of its divisors is an integer number (715117095).

Almost surely, 2^1430234189 is an apocalyptic number.

It is an amenable number.

1430234189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430234189 is an equidigital number, since it uses as much as digits as its factorization.

1430234189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1430234189 is about 37818.4371570270. The cubic root of 1430234189 is about 1126.6846697850.

The spelling of 1430234189 in words is "one billion, four hundred thirty million, two hundred thirty-four thousand, one hundred eighty-nine".