446346216143 has 2 divisors, whose sum is σ = 446346216144. Its totient is φ = 446346216142.

The previous prime is 446346216133. The next prime is 446346216163. The reversal of 446346216143 is 341612643644.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 446346216143 - 2⁶ = 446346216079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 446346216094 and 446346216103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (446346216133) 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, 223173108071 + 223173108072.

It is an arithmetic number, because the mean of its divisors is an integer number (223173108072).

Almost surely, 2^446346216143 is an apocalyptic number.

446346216143 is a deficient number, since it is larger than the sum of its proper divisors (1).

446346216143 is an equidigital number, since it uses as much as digits as its factorization.

446346216143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 44.

Adding to 446346216143 its reverse (341612643644), we get a palindrome (787958859787).

The spelling of 446346216143 in words is "four hundred forty-six billion, three hundred forty-six million, two hundred sixteen thousand, one hundred forty-three".