485668751 has 2 divisors, whose sum is σ = 485668752. Its totient is φ = 485668750.

The previous prime is 485668741. The next prime is 485668811. The reversal of 485668751 is 157866584.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 485668751 - 2²² = 481474447 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 485668751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485668721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242834375 + 242834376.

It is an arithmetic number, because the mean of its divisors is an integer number (242834376).

Almost surely, 2^485668751 is an apocalyptic number.

485668751 is a deficient number, since it is larger than the sum of its proper divisors (1).

485668751 is an equidigital number, since it uses as much as digits as its factorization.

485668751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 50.

The square root of 485668751 is about 22037.8935245635. The cubic root of 485668751 is about 786.0437525688.

The spelling of 485668751 in words is "four hundred eighty-five million, six hundred sixty-eight thousand, seven hundred fifty-one".