466145243209 has 2 divisors, whose sum is σ = 466145243210. Its totient is φ = 466145243208.

The previous prime is 466145243197. The next prime is 466145243237. The reversal of 466145243209 is 902342541664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445952833209 + 20192410000 = 667797^2 + 142100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-466145243209 is a prime.

It is not a weakly prime, because it can be changed into another prime (466145243309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233072621604 + 233072621605.

It is an arithmetic number, because the mean of its divisors is an integer number (233072621605).

Almost surely, 2^466145243209 is an apocalyptic number.

It is an amenable number.

466145243209 is a deficient number, since it is larger than the sum of its proper divisors (1).

466145243209 is an equidigital number, since it uses as much as digits as its factorization.

466145243209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 466145243209 in words is "four hundred sixty-six billion, one hundred forty-five million, two hundred forty-three thousand, two hundred nine".