4005505243 has 2 divisors, whose sum is σ = 4005505244. Its totient is φ = 4005505242.

The previous prime is 4005505241. The next prime is 4005505249. The reversal of 4005505243 is 3425055004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4005505243 - 2¹ = 4005505241 is a prime.

Together with 4005505241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4005505241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002752621 + 2002752622.

It is an arithmetic number, because the mean of its divisors is an integer number (2002752622).

Almost surely, 2^4005505243 is an apocalyptic number.

4005505243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4005505243 is an equidigital number, since it uses as much as digits as its factorization.

4005505243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 4005505243 is about 63289.0610058326. The cubic root of 4005505243 is about 1588.1289705004.

The spelling of 4005505243 in words is "four billion, five million, five hundred five thousand, two hundred forty-three".