2105103403647 has 12 divisors (see below), whose sum is σ = 3041194564824. Its totient is φ = 1403176277520.

The previous prime is 2105103403619. The next prime is 2105103403649. The reversal of 2105103403647 is 7463043015012.

2105103403647 is a `hidden beast` number, since 2 + 1 + 0 + 5 + 1 + 0 + 3 + 4 + 0 + 3 + 647 = 666.

It is not a de Polignac number, because 2105103403647 - 2⁷ = 2105103403519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105103403649) 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, 18773628 + ... + 18885425.

It is an arithmetic number, because the mean of its divisors is an integer number (253432880402).

Almost surely, 2^{2105103403647} is an apocalyptic number.

2105103403647 is a deficient number, since it is larger than the sum of its proper divisors (936091161177).

2105103403647 is a wasteful number, since it uses less digits than its factorization.

2105103403647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37665270 (or 37665267 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 2105103403647 its reverse (7463043015012), we get a palindrome (9568146418659).

The spelling of 2105103403647 in words is "two trillion, one hundred five billion, one hundred three million, four hundred three thousand, six hundred forty-seven".