214044531565217 has 2 divisors, whose sum is σ = 214044531565218. Its totient is φ = 214044531565216.

The previous prime is 214044531565187. The next prime is 214044531565243. The reversal of 214044531565217 is 712565135440412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208405920385441 + 5638611179776 = 14436271^2 + 2374576^2 .

It is a cyclic number.

It is not a de Polignac number, because 214044531565217 - 2³⁴ = 214027351696033 is a prime.

It is a super-2 number, since 2×214044531565217² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214044534565217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107022265782608 + 107022265782609.

It is an arithmetic number, because the mean of its divisors is an integer number (107022265782609).

Almost surely, 2^{214044531565217} is an apocalyptic number.

It is an amenable number.

214044531565217 is a deficient number, since it is larger than the sum of its proper divisors (1).

214044531565217 is an equidigital number, since it uses as much as digits as its factorization.

214044531565217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 214044531565217 in words is "two hundred fourteen trillion, forty-four billion, five hundred thirty-one million, five hundred sixty-five thousand, two hundred seventeen".