210200086466789 has 2 divisors, whose sum is σ = 210200086466790. Its totient is φ = 210200086466788.

The previous prime is 210200086466707. The next prime is 210200086466791. The reversal of 210200086466789 is 987664680002012.

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., 159694830509764 + 50505255957025 = 12637042^2 + 7106705^2 .

It is a cyclic number.

It is not a de Polignac number, because 210200086466789 - 2¹² = 210200086462693 is a prime.

Together with 210200086466791, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210200086426789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100043233394 + 105100043233395.

It is an arithmetic number, because the mean of its divisors is an integer number (105100043233395).

Almost surely, 2^{210200086466789} is an apocalyptic number.

It is an amenable number.

210200086466789 is a deficient number, since it is larger than the sum of its proper divisors (1).

210200086466789 is an equidigital number, since it uses as much as digits as its factorization.

210200086466789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 210200086466789 in words is "two hundred ten trillion, two hundred billion, eighty-six million, four hundred sixty-six thousand, seven hundred eighty-nine".