2105346043 has 2 divisors, whose sum is σ = 2105346044. Its totient is φ = 2105346042.

The previous prime is 2105346041. The next prime is 2105346049. The reversal of 2105346043 is 3406435012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2105346043 - 2¹ = 2105346041 is a prime.

Together with 2105346041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2105346041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052673021 + 1052673022.

It is an arithmetic number, because the mean of its divisors is an integer number (1052673022).

Almost surely, 2^2105346043 is an apocalyptic number.

2105346043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105346043 is an equidigital number, since it uses as much as digits as its factorization.

2105346043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2105346043 is about 45884.0499847169. The cubic root of 2105346043 is about 1281.6649157954.

The spelling of 2105346043 in words is "two billion, one hundred five million, three hundred forty-six thousand, forty-three".