430249189 has 2 divisors, whose sum is σ = 430249190. Its totient is φ = 430249188.

The previous prime is 430249163. The next prime is 430249207. The reversal of 430249189 is 981942034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403809025 + 26440164 = 20095^2 + 5142^2 .

It is a cyclic number.

It is not a de Polignac number, because 430249189 - 2²³ = 421860581 is a prime.

It is a super-2 number, since 2×430249189² = 370228729270315442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430219189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215124594 + 215124595.

It is an arithmetic number, because the mean of its divisors is an integer number (215124595).

Almost surely, 2^430249189 is an apocalyptic number.

It is an amenable number.

430249189 is a deficient number, since it is larger than the sum of its proper divisors (1).

430249189 is an equidigital number, since it uses as much as digits as its factorization.

430249189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 430249189 is about 20742.4489634180. The cubic root of 430249189 is about 754.9300047678.

The spelling of 430249189 in words is "four hundred thirty million, two hundred forty-nine thousand, one hundred eighty-nine".