216535052341 has 2 divisors, whose sum is σ = 216535052342. Its totient is φ = 216535052340.

The previous prime is 216535052333. The next prime is 216535052353. The reversal of 216535052341 is 143250535612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109554380100 + 106980672241 = 330990^2 + 327079^2 .

It is a cyclic number.

It is not a de Polignac number, because 216535052341 - 2³ = 216535052333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216535052341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216535052311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108267526170 + 108267526171.

It is an arithmetic number, because the mean of its divisors is an integer number (108267526171).

Almost surely, 2^216535052341 is an apocalyptic number.

It is an amenable number.

216535052341 is a deficient number, since it is larger than the sum of its proper divisors (1).

216535052341 is an equidigital number, since it uses as much as digits as its factorization.

216535052341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 216535052341 its reverse (143250535612), we get a palindrome (359785587953).

The spelling of 216535052341 in words is "two hundred sixteen billion, five hundred thirty-five million, fifty-two thousand, three hundred forty-one".