409824043 has 2 divisors, whose sum is σ = 409824044. Its totient is φ = 409824042.

The previous prime is 409824031. The next prime is 409824071. The reversal of 409824043 is 340428904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 409824043 - 2⁵ = 409824011 is a prime.

It is not a weakly prime, because it can be changed into another prime (409824343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204912021 + 204912022.

It is an arithmetic number, because the mean of its divisors is an integer number (204912022).

Almost surely, 2^409824043 is an apocalyptic number.

409824043 is a deficient number, since it is larger than the sum of its proper divisors (1).

409824043 is an equidigital number, since it uses as much as digits as its factorization.

409824043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 409824043 is about 20244.1113166274. Note that the first 3 decimals coincide. The cubic root of 409824043 is about 742.7895943599.

The spelling of 409824043 in words is "four hundred nine million, eight hundred twenty-four thousand, forty-three".