2453416221 has 4 divisors (see below), whose sum is σ = 3271221632. Its totient is φ = 1635610812.

The previous prime is 2453416171. The next prime is 2453416241. The reversal of 2453416221 is 1226143542.

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 2453416221 - 2¹⁹ = 2452891933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453416241) 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, 408902701 + ... + 408902706.

It is an arithmetic number, because the mean of its divisors is an integer number (817805408).

Almost surely, 2^2453416221 is an apocalyptic number.

It is an amenable number.

2453416221 is a deficient number, since it is larger than the sum of its proper divisors (817805411).

2453416221 is an equidigital number, since it uses as much as digits as its factorization.

2453416221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817805410.

The product of its digits is 11520, while the sum is 30.

The square root of 2453416221 is about 49531.9717051522. The cubic root of 2453416221 is about 1348.7260448235.

Adding to 2453416221 its reverse (1226143542), we get a palindrome (3679559763).

It can be divided in two parts, 24534 and 16221, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 2453416221 in words is "two billion, four hundred fifty-three million, four hundred sixteen thousand, two hundred twenty-one".