210968562713 has 2 divisors, whose sum is σ = 210968562714. Its totient is φ = 210968562712.

The previous prime is 210968562689. The next prime is 210968562731. The reversal of 210968562713 is 317265869012.

It is a happy number.

Together with next prime (210968562731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135429888064 + 75538674649 = 368008^2 + 274843^2 .

It is a cyclic number.

It is not a de Polignac number, because 210968562713 - 2⁸ = 210968562457 is a prime.

It is not a weakly prime, because it can be changed into another prime (210968565713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105484281356 + 105484281357.

It is an arithmetic number, because the mean of its divisors is an integer number (105484281357).

Almost surely, 2^210968562713 is an apocalyptic number.

It is an amenable number.

210968562713 is a deficient number, since it is larger than the sum of its proper divisors (1).

210968562713 is an equidigital number, since it uses as much as digits as its factorization.

210968562713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 210968562713 in words is "two hundred ten billion, nine hundred sixty-eight million, five hundred sixty-two thousand, seven hundred thirteen".