64465301300209 has 2 divisors, whose sum is σ = 64465301300210. Its totient is φ = 64465301300208.

The previous prime is 64465301300189. The next prime is 64465301300243. The reversal of 64465301300209 is 90200310356446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59477797474225 + 4987503825984 = 7712185^2 + 2233272^2 .

It is a cyclic number.

It is not a de Polignac number, because 64465301300209 - 2¹⁵ = 64465301267441 is a prime.

It is not a weakly prime, because it can be changed into another prime (64465301300249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32232650650104 + 32232650650105.

It is an arithmetic number, because the mean of its divisors is an integer number (32232650650105).

Almost surely, 2^{64465301300209} is an apocalyptic number.

It is an amenable number.

64465301300209 is a deficient number, since it is larger than the sum of its proper divisors (1).

64465301300209 is an equidigital number, since it uses as much as digits as its factorization.

64465301300209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 64465301300209 in words is "sixty-four trillion, four hundred sixty-five billion, three hundred one million, three hundred thousand, two hundred nine".