461600172343217 has 2 divisors, whose sum is σ = 461600172343218. Its totient is φ = 461600172343216.

The previous prime is 461600172343169. The next prime is 461600172343273. The reversal of 461600172343217 is 712343271006164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278006235843361 + 183593936499856 = 16673519^2 + 13549684^2 .

It is a cyclic number.

It is not a de Polignac number, because 461600172343217 - 2¹⁸ = 461600172081073 is a prime.

It is not a weakly prime, because it can be changed into another prime (461600172345217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230800086171608 + 230800086171609.

It is an arithmetic number, because the mean of its divisors is an integer number (230800086171609).

Almost surely, 2^{461600172343217} is an apocalyptic number.

It is an amenable number.

461600172343217 is a deficient number, since it is larger than the sum of its proper divisors (1).

461600172343217 is an equidigital number, since it uses as much as digits as its factorization.

461600172343217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 461600172343217 in words is "four hundred sixty-one trillion, six hundred billion, one hundred seventy-two million, three hundred forty-three thousand, two hundred seventeen".