8941821331 has 2 divisors, whose sum is σ = 8941821332. Its totient is φ = 8941821330.

The previous prime is 8941821283. The next prime is 8941821337. The reversal of 8941821331 is 1331281498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8941821331 - 2¹⁷ = 8941690259 is a prime.

It is a super-2 number, since 2×8941821331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8941821337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4470910665 + 4470910666.

It is an arithmetic number, because the mean of its divisors is an integer number (4470910666).

Almost surely, 2^8941821331 is an apocalyptic number.

8941821331 is a deficient number, since it is larger than the sum of its proper divisors (1).

8941821331 is an equidigital number, since it uses as much as digits as its factorization.

8941821331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 40.

The square root of 8941821331 is about 94561.2041537120. The cubic root of 8941821331 is about 2075.5920374609.

The spelling of 8941821331 in words is "eight billion, nine hundred forty-one million, eight hundred twenty-one thousand, three hundred thirty-one".