1434440243 has 2 divisors, whose sum is σ = 1434440244. Its totient is φ = 1434440242.

The previous prime is 1434440233. The next prime is 1434440251. The reversal of 1434440243 is 3420444341.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1434440243 - 2¹⁶ = 1434374707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1434440213) 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, 717220121 + 717220122.

It is an arithmetic number, because the mean of its divisors is an integer number (717220122).

Almost surely, 2^1434440243 is an apocalyptic number.

1434440243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434440243 is an equidigital number, since it uses as much as digits as its factorization.

1434440243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 1434440243 is about 37874.0048450121. The cubic root of 1434440243 is about 1127.7880459004.

Adding to 1434440243 its reverse (3420444341), we get a palindrome (4854884584).

The spelling of 1434440243 in words is "one billion, four hundred thirty-four million, four hundred forty thousand, two hundred forty-three".