2453441421 has 4 divisors (see below), whose sum is σ = 3271255232. Its totient is φ = 1635627612.

The previous prime is 2453441387. The next prime is 2453441489. The reversal of 2453441421 is 1241443542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2453441421 - 2⁷ = 2453441293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453441321) 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, 408906901 + ... + 408906906.

It is an arithmetic number, because the mean of its divisors is an integer number (817813808).

Almost surely, 2^2453441421 is an apocalyptic number.

It is an amenable number.

2453441421 is a deficient number, since it is larger than the sum of its proper divisors (817813811).

2453441421 is an equidigital number, since it uses as much as digits as its factorization.

2453441421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817813810.

The product of its digits is 15360, while the sum is 30.

The square root of 2453441421 is about 49532.2260856505. The cubic root of 2453441421 is about 1348.7306625723.

Adding to 2453441421 its reverse (1241443542), we get a palindrome (3694884963).

The spelling of 2453441421 in words is "two billion, four hundred fifty-three million, four hundred forty-one thousand, four hundred twenty-one".