1143430219 has 2 divisors, whose sum is σ = 1143430220. Its totient is φ = 1143430218.

The previous prime is 1143430159. The next prime is 1143430229. The reversal of 1143430219 is 9120343411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143430219 - 2⁷ = 1143430091 is a prime.

It is a super-2 number, since 2×1143430219² = 2614865331444775922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1143430229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571715109 + 571715110.

It is an arithmetic number, because the mean of its divisors is an integer number (571715110).

Almost surely, 2^1143430219 is an apocalyptic number.

1143430219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143430219 is an equidigital number, since it uses as much as digits as its factorization.

1143430219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1143430219 is about 33814.6450373207. The cubic root of 1143430219 is about 1045.6906430146.

The spelling of 1143430219 in words is "one billion, one hundred forty-three million, four hundred thirty thousand, two hundred nineteen".