2105704438005 has 64 divisors (see below), whose sum is σ = 3875177779200. Its totient is φ = 956424485376.

The previous prime is 2105704437983. The next prime is 2105704438007. The reversal of 2105704438005 is 5008344075012.

It is not a de Polignac number, because 2105704438005 - 2¹⁰ = 2105704436981 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 66099321 + ... + 66131169.

It is an arithmetic number, because the mean of its divisors is an integer number (60549652800).

Almost surely, 2^{2105704438005} is an apocalyptic number.

It is an amenable number.

2105704438005 is a deficient number, since it is larger than the sum of its proper divisors (1769473341195).

2105704438005 is a wasteful number, since it uses less digits than its factorization.

2105704438005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35890.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 2105704438005 in words is "two trillion, one hundred five billion, seven hundred four million, four hundred thirty-eight thousand, five".