2105443307039 has 2 divisors, whose sum is σ = 2105443307040. Its totient is φ = 2105443307038.

The previous prime is 2105443306997. The next prime is 2105443307053. The reversal of 2105443307039 is 9307033445012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2105443307039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2105443306987 and 2105443307005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105443307339) 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, 1052721653519 + 1052721653520.

It is an arithmetic number, because the mean of its divisors is an integer number (1052721653520).

Almost surely, 2^{2105443307039} is an apocalyptic number.

2105443307039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105443307039 is an equidigital number, since it uses as much as digits as its factorization.

2105443307039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 2105443307039 in words is "two trillion, one hundred five billion, four hundred forty-three million, three hundred seven thousand, thirty-nine".