8233083821 has 2 divisors, whose sum is σ = 8233083822. Its totient is φ = 8233083820.

The previous prime is 8233083809. The next prime is 8233083839. The reversal of 8233083821 is 1283803328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7623734596 + 609349225 = 87314^2 + 24685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8233083821 is a prime.

It is a super-2 number, since 2×8233083821² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8233083851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4116541910 + 4116541911.

It is an arithmetic number, because the mean of its divisors is an integer number (4116541911).

Almost surely, 2^8233083821 is an apocalyptic number.

It is an amenable number.

8233083821 is a deficient number, since it is larger than the sum of its proper divisors (1).

8233083821 is an equidigital number, since it uses as much as digits as its factorization.

8233083821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 8233083821 is about 90736.3423386682. The cubic root of 8233083821 is about 2019.2380079415.

The spelling of 8233083821 in words is "eight billion, two hundred thirty-three million, eighty-three thousand, eight hundred twenty-one".