1808922306241 has 2 divisors, whose sum is σ = 1808922306242. Its totient is φ = 1808922306240.

The previous prime is 1808922306227. The next prime is 1808922306251. The reversal of 1808922306241 is 1426032298081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 981841192641 + 827081113600 = 990879^2 + 909440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1808922306241 - 2¹¹ = 1808922304193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1808922306191 and 1808922306200.

It is not a weakly prime, because it can be changed into another prime (1808922306251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 904461153120 + 904461153121.

It is an arithmetic number, because the mean of its divisors is an integer number (904461153121).

Almost surely, 2^{1808922306241} is an apocalyptic number.

It is an amenable number.

1808922306241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1808922306241 is an equidigital number, since it uses as much as digits as its factorization.

1808922306241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 1808922306241 in words is "one trillion, eight hundred eight billion, nine hundred twenty-two million, three hundred six thousand, two hundred forty-one".