2104821466 has 16 divisors (see below), whose sum is σ = 3445102080. Its totient is φ = 956501280.

The previous prime is 2104821461. The next prime is 2104821487. The reversal of 2104821466 is 6641284012.

It is not an unprimeable number, because it can be changed into a prime (2104821461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105415 + ... + 123781.

It is an arithmetic number, because the mean of its divisors is an integer number (215318880).

Almost surely, 2^2104821466 is an apocalyptic number.

2104821466 is a deficient number, since it is larger than the sum of its proper divisors (1340280614).

2104821466 is a wasteful number, since it uses less digits than its factorization.

2104821466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23589.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 2104821466 is about 45878.3332957944. Note that the first 3 decimals coincide. The cubic root of 2104821466 is about 1281.5584585875.

The spelling of 2104821466 in words is "two billion, one hundred four million, eight hundred twenty-one thousand, four hundred sixty-six".