1617786324041 has 2 divisors, whose sum is σ = 1617786324042. Its totient is φ = 1617786324040.

The previous prime is 1617786324023. The next prime is 1617786324047. The reversal of 1617786324041 is 1404236877161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1598950134016 + 18836190025 = 1264496^2 + 137245^2 .

It is an emirp because it is prime and its reverse (1404236877161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1617786324041 - 2⁶ = 1617786323977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1617786324047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808893162020 + 808893162021.

It is an arithmetic number, because the mean of its divisors is an integer number (808893162021).

Almost surely, 2^{1617786324041} is an apocalyptic number.

It is an amenable number.

1617786324041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1617786324041 is an equidigital number, since it uses as much as digits as its factorization.

1617786324041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 1617786324041 in words is "one trillion, six hundred seventeen billion, seven hundred eighty-six million, three hundred twenty-four thousand, forty-one".