285738442024643 has 2 divisors, whose sum is σ = 285738442024644. Its totient is φ = 285738442024642.

The previous prime is 285738442024601. The next prime is 285738442024649. The reversal of 285738442024643 is 346420244837582.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285738442024643 is a prime.

It is a super-3 number, since 3×285738442024643³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (285738442024649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142869221012321 + 142869221012322.

It is an arithmetic number, because the mean of its divisors is an integer number (142869221012322).

Almost surely, 2^{285738442024643} is an apocalyptic number.

285738442024643 is a deficient number, since it is larger than the sum of its proper divisors (1).

285738442024643 is an equidigital number, since it uses as much as digits as its factorization.

285738442024643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 247726080, while the sum is 62.

The spelling of 285738442024643 in words is "two hundred eighty-five trillion, seven hundred thirty-eight billion, four hundred forty-two million, twenty-four thousand, six hundred forty-three".