210200999893 has 2 divisors, whose sum is σ = 210200999894. Its totient is φ = 210200999892.

The previous prime is 210200999887. The next prime is 210200999909. The reversal of 210200999893 is 398999002012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166796277649 + 43404722244 = 408407^2 + 208338^2 .

It is a cyclic number.

It is not a de Polignac number, because 210200999893 - 2⁹ = 210200999381 is a prime.

It is a super-2 number, since 2×210200999893² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210200999893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210200999863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100499946 + 105100499947.

It is an arithmetic number, because the mean of its divisors is an integer number (105100499947).

Almost surely, 2^210200999893 is an apocalyptic number.

It is an amenable number.

210200999893 is a deficient number, since it is larger than the sum of its proper divisors (1).

210200999893 is an equidigital number, since it uses as much as digits as its factorization.

210200999893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 52.

The spelling of 210200999893 in words is "two hundred ten billion, two hundred million, nine hundred ninety-nine thousand, eight hundred ninety-three".