2104453313 has 4 divisors (see below), whose sum is σ = 2105127300. Its totient is φ = 2103779328.

The previous prime is 2104453303. The next prime is 2104453343. The reversal of 2104453313 is 3133544012.

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 2029682704 + 74770609 = 45052^2 + 8647^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104453313 - 2⁶ = 2104453249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2104453303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332288 + ... + 338561.

It is an arithmetic number, because the mean of its divisors is an integer number (526281825).

Almost surely, 2^2104453313 is an apocalyptic number.

It is an amenable number.

2104453313 is a deficient number, since it is larger than the sum of its proper divisors (673987).

2104453313 is an equidigital number, since it uses as much as digits as its factorization.

2104453313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673986.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2104453313 is about 45874.3208451090. The cubic root of 2104453313 is about 1281.4837353691.

Adding to 2104453313 its reverse (3133544012), we get a palindrome (5237997325).

The spelling of 2104453313 in words is "two billion, one hundred four million, four hundred fifty-three thousand, three hundred thirteen".