466216716509 has 2 divisors, whose sum is σ = 466216716510. Its totient is φ = 466216716508.

The previous prime is 466216716491. The next prime is 466216716521. The reversal of 466216716509 is 905617612664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463175524900 + 3041191609 = 680570^2 + 55147^2 .

It is a cyclic number.

It is not a de Polignac number, because 466216716509 - 2¹⁶ = 466216650973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (466216716209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233108358254 + 233108358255.

It is an arithmetic number, because the mean of its divisors is an integer number (233108358255).

Almost surely, 2^466216716509 is an apocalyptic number.

It is an amenable number.

466216716509 is a deficient number, since it is larger than the sum of its proper divisors (1).

466216716509 is an equidigital number, since it uses as much as digits as its factorization.

466216716509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 466216716509 in words is "four hundred sixty-six billion, two hundred sixteen million, seven hundred sixteen thousand, five hundred nine".