4454548213 has 2 divisors, whose sum is σ = 4454548214. Its totient is φ = 4454548212.

The previous prime is 4454548211. The next prime is 4454548229. The reversal of 4454548213 is 3128454544.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3260638404 + 1193909809 = 57102^2 + 34553^2 .

It is a cyclic number.

It is not a de Polignac number, because 4454548213 - 2¹ = 4454548211 is a prime.

Together with 4454548211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4454548211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227274106 + 2227274107.

It is an arithmetic number, because the mean of its divisors is an integer number (2227274107).

Almost surely, 2^4454548213 is an apocalyptic number.

It is an amenable number.

4454548213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4454548213 is an equidigital number, since it uses as much as digits as its factorization.

4454548213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 307200, while the sum is 40.

The square root of 4454548213 is about 66742.4019121278. The cubic root of 4454548213 is about 1645.3863417552.

The spelling of 4454548213 in words is "four billion, four hundred fifty-four million, five hundred forty-eight thousand, two hundred thirteen".