8442804321811 has 2 divisors, whose sum is σ = 8442804321812. Its totient is φ = 8442804321810.

The previous prime is 8442804321769. The next prime is 8442804321827. The reversal of 8442804321811 is 1181234082448.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8442804321811 - 2⁷ = 8442804321683 is a prime.

It is not a weakly prime, because it can be changed into another prime (8442804324811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4221402160905 + 4221402160906.

It is an arithmetic number, because the mean of its divisors is an integer number (4221402160906).

Almost surely, 2^{8442804321811} is an apocalyptic number.

8442804321811 is a deficient number, since it is larger than the sum of its proper divisors (1).

8442804321811 is an equidigital number, since it uses as much as digits as its factorization.

8442804321811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393216, while the sum is 46.

The spelling of 8442804321811 in words is "eight trillion, four hundred forty-two billion, eight hundred four million, three hundred twenty-one thousand, eight hundred eleven".