2104214405 has 4 divisors (see below), whose sum is σ = 2525057292. Its totient is φ = 1683371520.

The previous prime is 2104214381. The next prime is 2104214419. The reversal of 2104214405 is 5044124012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 911617249 + 1192597156 = 30193^2 + 34534^2 .

It is not a de Polignac number, because 2104214405 - 2²⁴ = 2087437189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210421436 + ... + 210421445.

It is an arithmetic number, because the mean of its divisors is an integer number (631264323).

Almost surely, 2^2104214405 is an apocalyptic number.

It is an amenable number.

2104214405 is a deficient number, since it is larger than the sum of its proper divisors (420842887).

2104214405 is an equidigital number, since it uses as much as digits as its factorization.

2104214405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420842886.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2104214405 is about 45871.7168307444. The cubic root of 2104214405 is about 1281.4352400662.

Adding to 2104214405 its reverse (5044124012), we get a palindrome (7148338417).

The spelling of 2104214405 in words is "two billion, one hundred four million, two hundred fourteen thousand, four hundred five".