210340262145353 has 2 divisors, whose sum is σ = 210340262145354. Its totient is φ = 210340262145352.

The previous prime is 210340262145341. The next prime is 210340262145427. The reversal of 210340262145353 is 353541262043012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199022205195529 + 11318056949824 = 14107523^2 + 3364232^2 .

It is a cyclic number.

It is not a de Polignac number, because 210340262145353 - 2⁶ = 210340262145289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210340262145353.

It is not a weakly prime, because it can be changed into another prime (210340262105353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105170131072676 + 105170131072677.

It is an arithmetic number, because the mean of its divisors is an integer number (105170131072677).

Almost surely, 2^{210340262145353} is an apocalyptic number.

It is an amenable number.

210340262145353 is a deficient number, since it is larger than the sum of its proper divisors (1).

210340262145353 is an equidigital number, since it uses as much as digits as its factorization.

210340262145353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 210340262145353 in words is "two hundred ten trillion, three hundred forty billion, two hundred sixty-two million, one hundred forty-five thousand, three hundred fifty-three".