210210230057 has 2 divisors, whose sum is σ = 210210230058. Its totient is φ = 210210230056.

The previous prime is 210210230047. The next prime is 210210230081. The reversal of 210210230057 is 750032012012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210035223616 + 175006441 = 458296^2 + 13229^2 .

It is a cyclic number.

It is not a de Polignac number, because 210210230057 - 2³⁶ = 141490753321 is a prime.

It is not a weakly prime, because it can be changed into another prime (210210230047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105115028 + 105105115029.

It is an arithmetic number, because the mean of its divisors is an integer number (105105115029).

Almost surely, 2^210210230057 is an apocalyptic number.

It is an amenable number.

210210230057 is a deficient number, since it is larger than the sum of its proper divisors (1).

210210230057 is an equidigital number, since it uses as much as digits as its factorization.

210210230057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

Adding to 210210230057 its reverse (750032012012), we get a palindrome (960242242069).

The spelling of 210210230057 in words is "two hundred ten billion, two hundred ten million, two hundred thirty thousand, fifty-seven".