1826082985 has 4 divisors (see below), whose sum is σ = 2191299588. Its totient is φ = 1460866384.

The previous prime is 1826082961. The next prime is 1826083013. The reversal of 1826082985 is 5892806281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 218714521 + 1607368464 = 14789^2 + 40092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1826082985 - 2¹⁹ = 1825558697 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 182608294 + ... + 182608303.

It is an arithmetic number, because the mean of its divisors is an integer number (547824897).

Almost surely, 2^1826082985 is an apocalyptic number.

It is an amenable number.

1826082985 is a deficient number, since it is larger than the sum of its proper divisors (365216603).

1826082985 is an equidigital number, since it uses as much as digits as its factorization.

1826082985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365216602.

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 1826082985 is about 42732.6922273802. The cubic root of 1826082985 is about 1222.2878740568.

The spelling of 1826082985 in words is "one billion, eight hundred twenty-six million, eighty-two thousand, nine hundred eighty-five".