1066844419 has 2 divisors, whose sum is σ = 1066844420. Its totient is φ = 1066844418.

The previous prime is 1066844407. The next prime is 1066844423. The reversal of 1066844419 is 9144486601.

1066844419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066844419 - 2¹³ = 1066836227 is a prime.

It is a super-2 number, since 2×1066844419² = 2276314028702895122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066844459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533422209 + 533422210.

It is an arithmetic number, because the mean of its divisors is an integer number (533422210).

Almost surely, 2^1066844419 is an apocalyptic number.

1066844419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066844419 is an equidigital number, since it uses as much as digits as its factorization.

1066844419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 1066844419 is about 32662.5843894815. The cubic root of 1066844419 is about 1021.8026622431.

The spelling of 1066844419 in words is "one billion, sixty-six million, eight hundred forty-four thousand, four hundred nineteen".