486679993 has 2 divisors, whose sum is σ = 486679994. Its totient is φ = 486679992.

The previous prime is 486679987. The next prime is 486679997. The reversal of 486679993 is 399976684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485232784 + 1447209 = 22028^2 + 1203^2 .

It is a cyclic number.

It is not a de Polignac number, because 486679993 - 2⁹ = 486679481 is a prime.

It is not a weakly prime, because it can be changed into another prime (486679997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243339996 + 243339997.

It is an arithmetic number, because the mean of its divisors is an integer number (243339997).

Almost surely, 2^486679993 is an apocalyptic number.

It is an amenable number.

486679993 is a deficient number, since it is larger than the sum of its proper divisors (1).

486679993 is an equidigital number, since it uses as much as digits as its factorization.

486679993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 61.

The square root of 486679993 is about 22060.8248485862. The cubic root of 486679993 is about 786.5889317001.

The spelling of 486679993 in words is "four hundred eighty-six million, six hundred seventy-nine thousand, nine hundred ninety-three".