1826121833 has 4 divisors (see below), whose sum is σ = 1832910660. Its totient is φ = 1819333008.

The previous prime is 1826121811. The next prime is 1826121839. The reversal of 1826121833 is 3381216281.

It is a happy number.

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 117787609 + 1708334224 = 10853^2 + 41332^2 .

It is a cyclic number.

It is not a de Polignac number, because 1826121833 - 2¹⁰ = 1826120809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1826121793 and 1826121802.

It is not an unprimeable number, because it can be changed into a prime (1826121839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3394010 + ... + 3394547.

It is an arithmetic number, because the mean of its divisors is an integer number (458227665).

Almost surely, 2^1826121833 is an apocalyptic number.

It is an amenable number.

1826121833 is a deficient number, since it is larger than the sum of its proper divisors (6788827).

1826121833 is an equidigital number, since it uses as much as digits as its factorization.

1826121833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6788826.

The product of its digits is 13824, while the sum is 35.

The square root of 1826121833 is about 42733.1467715636. The cubic root of 1826121833 is about 1222.2965416262.

The spelling of 1826121833 in words is "one billion, eight hundred twenty-six million, one hundred twenty-one thousand, eight hundred thirty-three".