18220410041 has 2 divisors, whose sum is σ = 18220410042. Its totient is φ = 18220410040.

The previous prime is 18220409983. The next prime is 18220410083. The reversal of 18220410041 is 14001402281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12943840441 + 5276569600 = 113771^2 + 72640^2 .

It is an emirp because it is prime and its reverse (14001402281) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18220410041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18220409989 and 18220410016.

It is not a weakly prime, because it can be changed into another prime (18220410541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9110205020 + 9110205021.

It is an arithmetic number, because the mean of its divisors is an integer number (9110205021).

Almost surely, 2^18220410041 is an apocalyptic number.

It is an amenable number.

18220410041 is a deficient number, since it is larger than the sum of its proper divisors (1).

18220410041 is an equidigital number, since it uses as much as digits as its factorization.

18220410041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

The spelling of 18220410041 in words is "eighteen billion, two hundred twenty million, four hundred ten thousand, forty-one".