486047270177561 has 2 divisors, whose sum is σ = 486047270177562. Its totient is φ = 486047270177560.

The previous prime is 486047270177509. The next prime is 486047270177603. The reversal of 486047270177561 is 165771072740684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485348173523161 + 699096654400 = 22030619^2 + 836120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-486047270177561 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (486047270977561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243023635088780 + 243023635088781.

It is an arithmetic number, because the mean of its divisors is an integer number (243023635088781).

Almost surely, 2^{486047270177561} is an apocalyptic number.

It is an amenable number.

486047270177561 is a deficient number, since it is larger than the sum of its proper divisors (1).

486047270177561 is an equidigital number, since it uses as much as digits as its factorization.

486047270177561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110638080, while the sum is 65.

The spelling of 486047270177561 in words is "four hundred eighty-six trillion, forty-seven billion, two hundred seventy million, one hundred seventy-seven thousand, five hundred sixty-one".