805214067841 has 2 divisors, whose sum is σ = 805214067842. Its totient is φ = 805214067840.

The previous prime is 805214067809. The next prime is 805214067863. The reversal of 805214067841 is 148760412508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 696448666225 + 108765401616 = 834535^2 + 329796^2 .

It is a cyclic number.

It is not a de Polignac number, because 805214067841 - 2⁵ = 805214067809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 805214067791 and 805214067800.

It is not a weakly prime, because it can be changed into another prime (805214067641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402607033920 + 402607033921.

It is an arithmetic number, because the mean of its divisors is an integer number (402607033921).

Almost surely, 2^805214067841 is an apocalyptic number.

It is an amenable number.

805214067841 is a deficient number, since it is larger than the sum of its proper divisors (1).

805214067841 is an equidigital number, since it uses as much as digits as its factorization.

805214067841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 805214067841 in words is "eight hundred five billion, two hundred fourteen million, sixty-seven thousand, eight hundred forty-one".