424143091 has 2 divisors, whose sum is σ = 424143092. Its totient is φ = 424143090.

The previous prime is 424143077. The next prime is 424143103. The reversal of 424143091 is 190341424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424143091 - 2⁵ = 424143059 is a prime.

It is not a weakly prime, because it can be changed into another prime (424143011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212071545 + 212071546.

It is an arithmetic number, because the mean of its divisors is an integer number (212071546).

Almost surely, 2^424143091 is an apocalyptic number.

424143091 is a deficient number, since it is larger than the sum of its proper divisors (1).

424143091 is an equidigital number, since it uses as much as digits as its factorization.

424143091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 424143091 is about 20594.7345455094. The cubic root of 424143091 is about 751.3416524531.

The spelling of 424143091 in words is "four hundred twenty-four million, one hundred forty-three thousand, ninety-one".