2163441322253 has 2 divisors, whose sum is σ = 2163441322254. Its totient is φ = 2163441322252.

The previous prime is 2163441322241. The next prime is 2163441322283. The reversal of 2163441322253 is 3522231443612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2156662599364 + 6778722889 = 1468558^2 + 82333^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163441322253 - 2¹⁰ = 2163441321229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163441322223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081720661126 + 1081720661127.

It is an arithmetic number, because the mean of its divisors is an integer number (1081720661127).

Almost surely, 2^{2163441322253} is an apocalyptic number.

It is an amenable number.

2163441322253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163441322253 is an equidigital number, since it uses as much as digits as its factorization.

2163441322253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 38.

Adding to 2163441322253 its reverse (3522231443612), we get a palindrome (5685672765865).

The spelling of 2163441322253 in words is "two trillion, one hundred sixty-three billion, four hundred forty-one million, three hundred twenty-two thousand, two hundred fifty-three".