3821066833 has 4 divisors (see below), whose sum is σ = 3822363748. Its totient is φ = 3819769920.

The previous prime is 3821066807. The next prime is 3821066857. The reversal of 3821066833 is 3386601283.

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 1659095824 + 2161971009 = 40732^2 + 46497^2 .

It is a cyclic number.

It is not a de Polignac number, because 3821066833 - 2¹³ = 3821058641 is a prime.

It is a super-4 number, since 4×3821066833⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3821066803) 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, 644028 + ... + 649933.

It is an arithmetic number, because the mean of its divisors is an integer number (955590937).

Almost surely, 2^3821066833 is an apocalyptic number.

It is an amenable number.

3821066833 is a deficient number, since it is larger than the sum of its proper divisors (1296915).

3821066833 is a wasteful number, since it uses less digits than its factorization.

3821066833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296914.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 3821066833 is about 61814.7784352577. The cubic root of 3821066833 is about 1563.3691746786.

The spelling of 3821066833 in words is "three billion, eight hundred twenty-one million, sixty-six thousand, eight hundred thirty-three".