2104315891208 has 16 divisors (see below), whose sum is σ = 3945716565180. Its totient is φ = 1052124807168.

The previous prime is 2104315891201. The next prime is 2104315891241. The reversal of 2104315891208 is 8021985134012.

It can be written as a sum of positive squares in 2 ways, for example, as 1640966124004 + 463349767204 = 1281002^2 + 680698^2 .

It is not an unprimeable number, because it can be changed into a prime (2104315891201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3871385 + ... + 4381352.

Almost surely, 2^{2104315891208} is an apocalyptic number.

It is an amenable number.

2104315891208 is a deficient number, since it is larger than the sum of its proper divisors (1841400673972).

2104315891208 is a wasteful number, since it uses less digits than its factorization.

2104315891208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8284616 (or 8284612 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 2104315891208 in words is "two trillion, one hundred four billion, three hundred fifteen million, eight hundred ninety-one thousand, two hundred eight".