4454221543 has 2 divisors, whose sum is σ = 4454221544. Its totient is φ = 4454221542.

The previous prime is 4454221531. The next prime is 4454221559. The reversal of 4454221543 is 3451224544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4454221543 - 2⁵ = 4454221511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4454221499 and 4454221508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4454227543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227110771 + 2227110772.

It is an arithmetic number, because the mean of its divisors is an integer number (2227110772).

Almost surely, 2^4454221543 is an apocalyptic number.

4454221543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4454221543 is an equidigital number, since it uses as much as digits as its factorization.

4454221543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 34.

The square root of 4454221543 is about 66739.9546223999. The cubic root of 4454221543 is about 1645.3461198315.

The spelling of 4454221543 in words is "four billion, four hundred fifty-four million, two hundred twenty-one thousand, five hundred forty-three".