210217137210793 has 2 divisors, whose sum is σ = 210217137210794. Its totient is φ = 210217137210792.

The previous prime is 210217137210733. The next prime is 210217137210841. The reversal of 210217137210793 is 397012731712012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173706152736169 + 36510984474624 = 13179763^2 + 6042432^2 .

It is a cyclic number.

It is not a de Polignac number, because 210217137210793 - 2¹³ = 210217137202601 is a prime.

It is not a weakly prime, because it can be changed into another prime (210217137210733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105108568605396 + 105108568605397.

It is an arithmetic number, because the mean of its divisors is an integer number (105108568605397).

Almost surely, 2^{210217137210793} is an apocalyptic number.

It is an amenable number.

210217137210793 is a deficient number, since it is larger than the sum of its proper divisors (1).

210217137210793 is an equidigital number, since it uses as much as digits as its factorization.

210217137210793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 46.

The spelling of 210217137210793 in words is "two hundred ten trillion, two hundred seventeen billion, one hundred thirty-seven million, two hundred ten thousand, seven hundred ninety-three".