1805066049 has 8 divisors (see below), whose sum is σ = 2433797280. Its totient is φ = 1189856096.

The previous prime is 1805066033. The next prime is 1805066089. The reversal of 1805066049 is 9406605081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1805066049 - 2⁴ = 1805066033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1805065998 and 1805066016.

It is not an unprimeable number, because it can be changed into a prime (1805066089) 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 in 7 ways as a sum of consecutive naturals, for example, 3380007 + ... + 3380540.

It is an arithmetic number, because the mean of its divisors is an integer number (304224660).

Almost surely, 2^1805066049 is an apocalyptic number.

It is an amenable number.

1805066049 is a deficient number, since it is larger than the sum of its proper divisors (628731231).

1805066049 is an equidigital number, since it uses as much as digits as its factorization.

1805066049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760639.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1805066049 is about 42486.0688814581. The cubic root of 1805066049 is about 1217.5805424948.

The spelling of 1805066049 in words is "one billion, eight hundred five million, sixty-six thousand, forty-nine".