2105704438006 has 24 divisors (see below), whose sum is σ = 3468384280944. Its totient is φ = 958175356320.

The previous prime is 2105704437983. The next prime is 2105704438007. The reversal of 2105704438006 is 6008344075012.

It is a self number, because there is not a number n which added to its sum of digits gives 2105704438006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105704438007) 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 in 11 ways as a sum of consecutive naturals, for example, 43848501 + ... + 43896496.

It is an arithmetic number, because the mean of its divisors is an integer number (144516011706).

Almost surely, 2^{2105704438006} is an apocalyptic number.

2105704438006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2105704438006 is a deficient number, since it is larger than the sum of its proper divisors (1362679842938).

2105704438006 is a wasteful number, since it uses less digits than its factorization.

2105704438006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87745096 (or 87745083 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 2105704438006 in words is "two trillion, one hundred five billion, seven hundred four million, four hundred thirty-eight thousand, six".