2105541029 has 2 divisors, whose sum is σ = 2105541030. Its totient is φ = 2105541028.

The previous prime is 2105541013. The next prime is 2105541037. The reversal of 2105541029 is 9201455012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1877228929 + 228312100 = 43327^2 + 15110^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105541029 - 2⁴ = 2105541013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2105540992 and 2105541010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105541059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052770514 + 1052770515.

It is an arithmetic number, because the mean of its divisors is an integer number (1052770515).

Almost surely, 2^2105541029 is an apocalyptic number.

It is an amenable number.

2105541029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105541029 is an equidigital number, since it uses as much as digits as its factorization.

2105541029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2105541029 is about 45886.1747043704. The cubic root of 2105541029 is about 1281.7044815795.

The spelling of 2105541029 in words is "two billion, one hundred five million, five hundred forty-one thousand, twenty-nine".