2216434453 has 2 divisors, whose sum is σ = 2216434454. Its totient is φ = 2216434452.

The previous prime is 2216434447. The next prime is 2216434471. The reversal of 2216434453 is 3544346122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1680836004 + 535598449 = 40998^2 + 23143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216434453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216434433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108217226 + 1108217227.

It is an arithmetic number, because the mean of its divisors is an integer number (1108217227).

Almost surely, 2^2216434453 is an apocalyptic number.

It is an amenable number.

2216434453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216434453 is an equidigital number, since it uses as much as digits as its factorization.

2216434453 is an evil number, because the sum of its binary digits is even.

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

The square root of 2216434453 is about 47079.0234924218. The cubic root of 2216434453 is about 1303.8219778821.

The spelling of 2216434453 in words is "two billion, two hundred sixteen million, four hundred thirty-four thousand, four hundred fifty-three".