246828664409 has 2 divisors, whose sum is σ = 246828664410. Its totient is φ = 246828664408.

The previous prime is 246828664399. The next prime is 246828664471. The reversal of 246828664409 is 904466828642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186593761225 + 60234903184 = 431965^2 + 245428^2 .

It is a cyclic number.

It is not a de Polignac number, because 246828664409 - 2¹⁶ = 246828598873 is a prime.

It is not a weakly prime, because it can be changed into another prime (246828664609) 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, 123414332204 + 123414332205.

It is an arithmetic number, because the mean of its divisors is an integer number (123414332205).

Almost surely, 2^246828664409 is an apocalyptic number.

It is an amenable number.

246828664409 is a deficient number, since it is larger than the sum of its proper divisors (1).

246828664409 is an equidigital number, since it uses as much as digits as its factorization.

246828664409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31850496, while the sum is 59.

The spelling of 246828664409 in words is "two hundred forty-six billion, eight hundred twenty-eight million, six hundred sixty-four thousand, four hundred nine".