18941285375941 has 2 divisors, whose sum is σ = 18941285375942. Its totient is φ = 18941285375940.

The previous prime is 18941285375927. The next prime is 18941285376001. The reversal of 18941285375941 is 14957358214981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14998936139716 + 3942349236225 = 3872846^2 + 1985535^2 .

It is a cyclic number.

It is not a de Polignac number, because 18941285375941 - 2²³ = 18941276987333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18941285375141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9470642687970 + 9470642687971.

It is an arithmetic number, because the mean of its divisors is an integer number (9470642687971).

Almost surely, 2^{18941285375941} is an apocalyptic number.

It is an amenable number.

18941285375941 is a deficient number, since it is larger than the sum of its proper divisors (1).

18941285375941 is an equidigital number, since it uses as much as digits as its factorization.

18941285375941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87091200, while the sum is 67.

The spelling of 18941285375941 in words is "eighteen trillion, nine hundred forty-one billion, two hundred eighty-five million, three hundred seventy-five thousand, nine hundred forty-one".