2105321341444 has 24 divisors (see below), whose sum is σ = 3811457142360. Its totient is φ = 1016335482624.

The previous prime is 2105321341411. The next prime is 2105321341471. The reversal of 2105321341444 is 4441431235012.

It can be written as a sum of positive squares in 4 ways, for example, as 1087869860100 + 1017451481344 = 1043010^2 + 1008688^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4657512 + ... + 5089504.

It is an arithmetic number, because the mean of its divisors is an integer number (158810714265).

Almost surely, 2^{2105321341444} is an apocalyptic number.

It is an amenable number.

2105321341444 is a deficient number, since it is larger than the sum of its proper divisors (1706135800916).

2105321341444 is a wasteful number, since it uses less digits than its factorization.

2105321341444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474039 (or 474037 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 2105321341444 its reverse (4441431235012), we get a palindrome (6546752576456).

The spelling of 2105321341444 in words is "two trillion, one hundred five billion, three hundred twenty-one million, three hundred forty-one thousand, four hundred forty-four".