461704660161593 has 2 divisors, whose sum is σ = 461704660161594. Its totient is φ = 461704660161592.

The previous prime is 461704660161581. The next prime is 461704660161607. The reversal of 461704660161593 is 395161066407164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336642755621929 + 125061904539664 = 18347827^2 + 11183108^2 .

It is a cyclic number.

It is not a de Polignac number, because 461704660161593 - 2¹⁸ = 461704659899449 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 (461704660161193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230852330080796 + 230852330080797.

It is an arithmetic number, because the mean of its divisors is an integer number (230852330080797).

Almost surely, 2^{461704660161593} is an apocalyptic number.

It is an amenable number.

461704660161593 is a deficient number, since it is larger than the sum of its proper divisors (1).

461704660161593 is an equidigital number, since it uses as much as digits as its factorization.

461704660161593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 461704660161593 in words is "four hundred sixty-one trillion, seven hundred four billion, six hundred sixty million, one hundred sixty-one thousand, five hundred ninety-three".