486168649 has 2 divisors, whose sum is σ = 486168650. Its totient is φ = 486168648.

The previous prime is 486168647. The next prime is 486168671. The reversal of 486168649 is 946861684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485982025 + 186624 = 22045^2 + 432^2 .

It is a cyclic number.

It is not a de Polignac number, because 486168649 - 2¹ = 486168647 is a prime.

Together with 486168647, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 486168596 and 486168605.

It is not a weakly prime, because it can be changed into another prime (486168647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243084324 + 243084325.

It is an arithmetic number, because the mean of its divisors is an integer number (243084325).

Almost surely, 2^486168649 is an apocalyptic number.

It is an amenable number.

486168649 is a deficient number, since it is larger than the sum of its proper divisors (1).

486168649 is an equidigital number, since it uses as much as digits as its factorization.

486168649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 52.

The square root of 486168649 is about 22049.2323902670. The cubic root of 486168649 is about 786.3133512462.

The spelling of 486168649 in words is "four hundred eighty-six million, one hundred sixty-eight thousand, six hundred forty-nine".