202117775275093 has 2 divisors, whose sum is σ = 202117775275094. Its totient is φ = 202117775275092.

The previous prime is 202117775275033. The next prime is 202117775275109. The reversal of 202117775275093 is 390572577711202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201672008070129 + 445767204964 = 14201127^2 + 667658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202117775275093 is a prime.

It is a super-3 number, since 3×202117775275093³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202117775275033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101058887637546 + 101058887637547.

It is an arithmetic number, because the mean of its divisors is an integer number (101058887637547).

Almost surely, 2^{202117775275093} is an apocalyptic number.

It is an amenable number.

202117775275093 is a deficient number, since it is larger than the sum of its proper divisors (1).

202117775275093 is an equidigital number, since it uses as much as digits as its factorization.

202117775275093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12965400, while the sum is 58.

The spelling of 202117775275093 in words is "two hundred two trillion, one hundred seventeen billion, seven hundred seventy-five million, two hundred seventy-five thousand, ninety-three".