41809219 has 2 divisors, whose sum is σ = 41809220. Its totient is φ = 41809218.

The previous prime is 41809211. The next prime is 41809241. The reversal of 41809219 is 91290814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41809219 - 2³ = 41809211 is a prime.

It is a super-2 number, since 2×41809219² = 3496021586779922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41809211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20904609 + 20904610.

It is an arithmetic number, because the mean of its divisors is an integer number (20904610).

Almost surely, 2^41809219 is an apocalyptic number.

41809219 is a deficient number, since it is larger than the sum of its proper divisors (1).

41809219 is an equidigital number, since it uses as much as digits as its factorization.

41809219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 41809219 is about 6466.0048716344. The cubic root of 41809219 is about 347.0755482232.

The spelling of 41809219 in words is "forty-one million, eight hundred nine thousand, two hundred nineteen".