2653444213 has 4 divisors (see below), whose sum is σ = 3032507680. Its totient is φ = 2274380748.

The previous prime is 2653444207. The next prime is 2653444271. The reversal of 2653444213 is 3124443562.

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 a cyclic number.

It is not a de Polignac number, because 2653444213 - 2⁹ = 2653443701 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 (2653444613) 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, 189531723 + ... + 189531736.

It is an arithmetic number, because the mean of its divisors is an integer number (758126920).

Almost surely, 2^2653444213 is an apocalyptic number.

It is an amenable number.

2653444213 is a deficient number, since it is larger than the sum of its proper divisors (379063467).

2653444213 is an equidigital number, since it uses as much as digits as its factorization.

2653444213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379063466.

The product of its digits is 69120, while the sum is 34.

The square root of 2653444213 is about 51511.5929961402. The cubic root of 2653444213 is about 1384.4267656932.

Adding to 2653444213 its reverse (3124443562), we get a palindrome (5777887775).

The spelling of 2653444213 in words is "two billion, six hundred fifty-three million, four hundred forty-four thousand, two hundred thirteen".