210217137145283 has 2 divisors, whose sum is σ = 210217137145284. Its totient is φ = 210217137145282.

The previous prime is 210217137145273. The next prime is 210217137145303. The reversal of 210217137145283 is 382541731712012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210217137145283 - 2⁸ = 210217137145027 is a prime.

It is not a weakly prime, because it can be changed into another prime (210217137145273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105108568572641 + 105108568572642.

It is an arithmetic number, because the mean of its divisors is an integer number (105108568572642).

Almost surely, 2^{210217137145283} is an apocalyptic number.

210217137145283 is a deficient number, since it is larger than the sum of its proper divisors (1).

210217137145283 is an equidigital number, since it uses as much as digits as its factorization.

210217137145283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 47.

Adding to 210217137145283 its reverse (382541731712012), we get a palindrome (592758868857295).

The spelling of 210217137145283 in words is "two hundred ten trillion, two hundred seventeen billion, one hundred thirty-seven million, one hundred forty-five thousand, two hundred eighty-three".