434143999 has 2 divisors, whose sum is σ = 434144000. Its totient is φ = 434143998.

The previous prime is 434143993. The next prime is 434144023. The reversal of 434143999 is 999341434.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434143999 - 2³ = 434143991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434143991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217071999 + 217072000.

It is an arithmetic number, because the mean of its divisors is an integer number (217072000).

Almost surely, 2^434143999 is an apocalyptic number.

434143999 is a deficient number, since it is larger than the sum of its proper divisors (1).

434143999 is an equidigital number, since it uses as much as digits as its factorization.

434143999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 46.

The square root of 434143999 is about 20836.1224559657. The cubic root of 434143999 is about 757.2011544680.

The spelling of 434143999 in words is "four hundred thirty-four million, one hundred forty-three thousand, nine hundred ninety-nine".