18631153330841 has 2 divisors, whose sum is σ = 18631153330842. Its totient is φ = 18631153330840.

The previous prime is 18631153330807. The next prime is 18631153330873. The reversal of 18631153330841 is 14803335113681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11842001970841 + 6789151360000 = 3441221^2 + 2605600^2 .

It is a cyclic number.

It is not a de Polignac number, because 18631153330841 - 2¹⁴ = 18631153314457 is a prime.

It is not a weakly prime, because it can be changed into another prime (18631153335841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9315576665420 + 9315576665421.

It is an arithmetic number, because the mean of its divisors is an integer number (9315576665421).

Almost surely, 2^{18631153330841} is an apocalyptic number.

It is an amenable number.

18631153330841 is a deficient number, since it is larger than the sum of its proper divisors (1).

18631153330841 is an equidigital number, since it uses as much as digits as its factorization.

18631153330841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 18631153330841 in words is "eighteen trillion, six hundred thirty-one billion, one hundred fifty-three million, three hundred thirty thousand, eight hundred forty-one".