431414189 has 2 divisors, whose sum is σ = 431414190. Its totient is φ = 431414188.

The previous prime is 431414149. The next prime is 431414231. The reversal of 431414189 is 981414134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429194089 + 2220100 = 20717^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 431414189 - 2⁸ = 431413933 is a prime.

It is a super-2 number, since 2×431414189² = 372236404941055442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431414119) 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, 215707094 + 215707095.

It is an arithmetic number, because the mean of its divisors is an integer number (215707095).

Almost surely, 2^431414189 is an apocalyptic number.

It is an amenable number.

431414189 is a deficient number, since it is larger than the sum of its proper divisors (1).

431414189 is an equidigital number, since it uses as much as digits as its factorization.

431414189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 431414189 is about 20770.5124876590. The cubic root of 431414189 is about 755.6107736949.

Subtracting 431414189 from its reverse (981414134), we obtain a palindrome (549999945).

The spelling of 431414189 in words is "four hundred thirty-one million, four hundred fourteen thousand, one hundred eighty-nine".