201463334509 has 2 divisors, whose sum is σ = 201463334510. Its totient is φ = 201463334508.

The previous prime is 201463334507. The next prime is 201463334537. The reversal of 201463334509 is 905433364102.

201463334509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142489640484 + 58973694025 = 377478^2 + 242845^2 .

It is a cyclic number.

It is not a de Polignac number, because 201463334509 - 2¹ = 201463334507 is a prime.

Together with 201463334507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201463334507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100731667254 + 100731667255.

It is an arithmetic number, because the mean of its divisors is an integer number (100731667255).

Almost surely, 2^201463334509 is an apocalyptic number.

It is an amenable number.

201463334509 is a deficient number, since it is larger than the sum of its proper divisors (1).

201463334509 is an equidigital number, since it uses as much as digits as its factorization.

201463334509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 201463334509 in words is "two hundred one billion, four hundred sixty-three million, three hundred thirty-four thousand, five hundred nine".