1210434342409 has 2 divisors, whose sum is σ = 1210434342410. Its totient is φ = 1210434342408.

The previous prime is 1210434342287. The next prime is 1210434342449. The reversal of 1210434342409 is 9042434340121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 709166094400 + 501268248009 = 842120^2 + 708003^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210434342409 - 2¹⁵ = 1210434309641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210434342449) 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, 605217171204 + 605217171205.

It is an arithmetic number, because the mean of its divisors is an integer number (605217171205).

Almost surely, 2^{1210434342409} is an apocalyptic number.

It is an amenable number.

1210434342409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210434342409 is an equidigital number, since it uses as much as digits as its factorization.

1210434342409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 1210434342409 in words is "one trillion, two hundred ten billion, four hundred thirty-four million, three hundred forty-two thousand, four hundred nine".