464304312665209 has 2 divisors, whose sum is σ = 464304312665210. Its totient is φ = 464304312665208.

The previous prime is 464304312665189. The next prime is 464304312665227. The reversal of 464304312665209 is 902566213403464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389403128890000 + 74901183775209 = 19733300^2 + 8654547^2 .

It is a cyclic number.

It is not a de Polignac number, because 464304312665209 - 2²⁹ = 464303775794297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 464304312665209.

It is not a weakly prime, because it can be changed into another prime (464304312665279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232152156332604 + 232152156332605.

It is an arithmetic number, because the mean of its divisors is an integer number (232152156332605).

Almost surely, 2^{464304312665209} is an apocalyptic number.

It is an amenable number.

464304312665209 is a deficient number, since it is larger than the sum of its proper divisors (1).

464304312665209 is an equidigital number, since it uses as much as digits as its factorization.

464304312665209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22394880, while the sum is 55.

The spelling of 464304312665209 in words is "four hundred sixty-four trillion, three hundred four billion, three hundred twelve million, six hundred sixty-five thousand, two hundred nine".