2453221244245 has 4 divisors (see below), whose sum is σ = 2943865493100. Its totient is φ = 1962576995392.

The previous prime is 2453221244231. The next prime is 2453221244281. The reversal of 2453221244245 is 5424421223542.

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 1962036128529 + 491185115716 = 1400727^2 + 700846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2453221244245 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2453221244198 and 2453221244207.

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, 245322124420 + ... + 245322124429.

It is an arithmetic number, because the mean of its divisors is an integer number (735966373275).

Almost surely, 2^{2453221244245} is an apocalyptic number.

It is an amenable number.

2453221244245 is a deficient number, since it is larger than the sum of its proper divisors (490644248855).

2453221244245 is an equidigital number, since it uses as much as digits as its factorization.

2453221244245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490644248854.

The product of its digits is 614400, while the sum is 40.

Adding to 2453221244245 its reverse (5424421223542), we get a palindrome (7877642467787).

The spelling of 2453221244245 in words is "two trillion, four hundred fifty-three billion, two hundred twenty-one million, two hundred forty-four thousand, two hundred forty-five".