8100443213 has 2 divisors, whose sum is σ = 8100443214. Its totient is φ = 8100443212.

The previous prime is 8100443191. The next prime is 8100443227. The reversal of 8100443213 is 3123440018.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7960565284 + 139877929 = 89222^2 + 11827^2 .

It is a cyclic number.

It is not a de Polignac number, because 8100443213 - 2⁶ = 8100443149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8100443293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050221606 + 4050221607.

It is an arithmetic number, because the mean of its divisors is an integer number (4050221607).

Almost surely, 2^8100443213 is an apocalyptic number.

It is an amenable number.

8100443213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8100443213 is an equidigital number, since it uses as much as digits as its factorization.

8100443213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 8100443213 is about 90002.4622607626. The cubic root of 8100443213 is about 2008.3354793792.

The spelling of 8100443213 in words is "eight billion, one hundred million, four hundred forty-three thousand, two hundred thirteen".