2105918783341 has 2 divisors, whose sum is σ = 2105918783342. Its totient is φ = 2105918783340.

The previous prime is 2105918783317. The next prime is 2105918783369. The reversal of 2105918783341 is 1433878195012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083451992100 + 1022466791241 = 1040890^2 + 1011171^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105918783341 - 2⁹ = 2105918782829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105918783141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052959391670 + 1052959391671.

It is an arithmetic number, because the mean of its divisors is an integer number (1052959391671).

Almost surely, 2^{2105918783341} is an apocalyptic number.

It is an amenable number.

2105918783341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105918783341 is an equidigital number, since it uses as much as digits as its factorization.

2105918783341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 2105918783341 in words is "two trillion, one hundred five billion, nine hundred eighteen million, seven hundred eighty-three thousand, three hundred forty-one".