461705423224609 has 2 divisors, whose sum is σ = 461705423224610. Its totient is φ = 461705423224608.

The previous prime is 461705423224601. The next prime is 461705423224627. The reversal of 461705423224609 is 906422324507164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447654193465600 + 14051229759009 = 21157840^2 + 3748497^2 .

It is a cyclic number.

It is not a de Polignac number, because 461705423224609 - 2³ = 461705423224601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461705423224609.

It is not a weakly prime, because it can be changed into another prime (461705423224601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230852711612304 + 230852711612305.

It is an arithmetic number, because the mean of its divisors is an integer number (230852711612305).

Almost surely, 2^{461705423224609} is an apocalyptic number.

It is an amenable number.

461705423224609 is a deficient number, since it is larger than the sum of its proper divisors (1).

461705423224609 is an equidigital number, since it uses as much as digits as its factorization.

461705423224609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 55.

The spelling of 461705423224609 in words is "four hundred sixty-one trillion, seven hundred five billion, four hundred twenty-three million, two hundred twenty-four thousand, six hundred nine".