4394923543 has 2 divisors, whose sum is σ = 4394923544. Its totient is φ = 4394923542.

The previous prime is 4394923493. The next prime is 4394923553. The reversal of 4394923543 is 3453294934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4394923543 - 2¹³ = 4394915351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4394923493 and 4394923502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4394923553) 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, 2197461771 + 2197461772.

It is an arithmetic number, because the mean of its divisors is an integer number (2197461772).

Almost surely, 2^4394923543 is an apocalyptic number.

4394923543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394923543 is an equidigital number, since it uses as much as digits as its factorization.

4394923543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 46.

The square root of 4394923543 is about 66294.2195293074. The cubic root of 4394923543 is about 1638.0121094150.

The spelling of 4394923543 in words is "four billion, three hundred ninety-four million, nine hundred twenty-three thousand, five hundred forty-three".