486866753561 has 2 divisors, whose sum is σ = 486866753562. Its totient is φ = 486866753560.

The previous prime is 486866753509. The next prime is 486866753579. The reversal of 486866753561 is 165357668684.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283736263561 + 203130490000 = 532669^2 + 450700^2 .

It is a cyclic number.

It is not a de Polignac number, because 486866753561 - 2³⁴ = 469686884377 is a prime.

It is not a weakly prime, because it can be changed into another prime (486866753501) 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, 243433376780 + 243433376781.

It is an arithmetic number, because the mean of its divisors is an integer number (243433376781).

Almost surely, 2^486866753561 is an apocalyptic number.

It is an amenable number.

486866753561 is a deficient number, since it is larger than the sum of its proper divisors (1).

486866753561 is an equidigital number, since it uses as much as digits as its factorization.

486866753561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174182400, while the sum is 65.

The spelling of 486866753561 in words is "four hundred eighty-six billion, eight hundred sixty-six million, seven hundred fifty-three thousand, five hundred sixty-one".