2104421043 has 8 divisors (see below), whose sum is σ = 2845414656. Its totient is φ = 1383187400.

The previous prime is 2104421017. The next prime is 2104421069. The reversal of 2104421043 is 3401244012.

It is an interprime number because it is at equal distance from previous prime (2104421017) and next prime (2104421069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2104421043 - 2¹⁸ = 2104158899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2104421003) 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, 4939743 + ... + 4940168.

It is an arithmetic number, because the mean of its divisors is an integer number (355676832).

Almost surely, 2^2104421043 is an apocalyptic number.

2104421043 is a deficient number, since it is larger than the sum of its proper divisors (740993613).

2104421043 is an equidigital number, since it uses as much as digits as its factorization.

2104421043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9879985.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2104421043 is about 45873.9691219323. The cubic root of 2104421043 is about 1281.4771851816.

Adding to 2104421043 its reverse (3401244012), we get a palindrome (5505665055).

The spelling of 2104421043 in words is "two billion, one hundred four million, four hundred twenty-one thousand, forty-three".