243214214255473 has 2 divisors, whose sum is σ = 243214214255474. Its totient is φ = 243214214255472.

The previous prime is 243214214255429. The next prime is 243214214255533. The reversal of 243214214255473 is 374552412412342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242805985266289 + 408228989184 = 15582233^2 + 638928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243214214255473 is a prime.

It is not a weakly prime, because it can be changed into another prime (243214214255423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121607107127736 + 121607107127737.

It is an arithmetic number, because the mean of its divisors is an integer number (121607107127737).

Almost surely, 2^{243214214255473} is an apocalyptic number.

It is an amenable number.

243214214255473 is a deficient number, since it is larger than the sum of its proper divisors (1).

243214214255473 is an equidigital number, since it uses as much as digits as its factorization.

243214214255473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6451200, while the sum is 49.

The spelling of 243214214255473 in words is "two hundred forty-three trillion, two hundred fourteen billion, two hundred fourteen million, two hundred fifty-five thousand, four hundred seventy-three".