446975993 has 2 divisors, whose sum is σ = 446975994. Its totient is φ = 446975992.

The previous prime is 446975987. The next prime is 446976077. The reversal of 446975993 is 399579644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268566544 + 178409449 = 16388^2 + 13357^2 .

It is a cyclic number.

It is not a de Polignac number, because 446975993 - 2⁶ = 446975929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (446975923) 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, 223487996 + 223487997.

It is an arithmetic number, because the mean of its divisors is an integer number (223487997).

Almost surely, 2^446975993 is an apocalyptic number.

It is an amenable number.

446975993 is a deficient number, since it is larger than the sum of its proper divisors (1).

446975993 is an equidigital number, since it uses as much as digits as its factorization.

446975993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 56.

The square root of 446975993 is about 21141.8067581747. The cubic root of 446975993 is about 764.5890358200.

The spelling of 446975993 in words is "four hundred forty-six million, nine hundred seventy-five thousand, nine hundred ninety-three".