4855721593 has 2 divisors, whose sum is σ = 4855721594. Its totient is φ = 4855721592.

The previous prime is 4855721561. The next prime is 4855721599. The reversal of 4855721593 is 3951275584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4404711424 + 451010169 = 66368^2 + 21237^2 .

It is a cyclic number.

It is not a de Polignac number, because 4855721593 - 2⁵ = 4855721561 is a prime.

It is not a weakly prime, because it can be changed into another prime (4855721599) 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, 2427860796 + 2427860797.

It is an arithmetic number, because the mean of its divisors is an integer number (2427860797).

Almost surely, 2^4855721593 is an apocalyptic number.

It is an amenable number.

4855721593 is a deficient number, since it is larger than the sum of its proper divisors (1).

4855721593 is an equidigital number, since it uses as much as digits as its factorization.

4855721593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 49.

The square root of 4855721593 is about 69683.0079215873. The cubic root of 4855721593 is about 1693.3676523371.

The spelling of 4855721593 in words is "four billion, eight hundred fifty-five million, seven hundred twenty-one thousand, five hundred ninety-three".