216344265050351 has 2 divisors, whose sum is σ = 216344265050352. Its totient is φ = 216344265050350.

The previous prime is 216344265050299. The next prime is 216344265050357. The reversal of 216344265050351 is 153050562443612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216344265050351 - 2³⁴ = 216327085181167 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 216344265050296 and 216344265050305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216344265050357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108172132525175 + 108172132525176.

It is an arithmetic number, because the mean of its divisors is an integer number (108172132525176).

Almost surely, 2^{216344265050351} is an apocalyptic number.

216344265050351 is a deficient number, since it is larger than the sum of its proper divisors (1).

216344265050351 is an equidigital number, since it uses as much as digits as its factorization.

216344265050351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 216344265050351 in words is "two hundred sixteen trillion, three hundred forty-four billion, two hundred sixty-five million, fifty thousand, three hundred fifty-one".