568747441402409 has 2 divisors, whose sum is σ = 568747441402410. Its totient is φ = 568747441402408.

The previous prime is 568747441402403. The next prime is 568747441402457. The reversal of 568747441402409 is 904204144747865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 557695240887184 + 11052200515225 = 23615572^2 + 3324485^2 .

It is a cyclic number.

It is not a de Polignac number, because 568747441402409 - 2⁴⁰ = 567647929774633 is a prime.

It is not a weakly prime, because it can be changed into another prime (568747441402403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284373720701204 + 284373720701205.

It is an arithmetic number, because the mean of its divisors is an integer number (284373720701205).

Almost surely, 2^{568747441402409} is an apocalyptic number.

It is an amenable number.

568747441402409 is a deficient number, since it is larger than the sum of its proper divisors (1).

568747441402409 is an equidigital number, since it uses as much as digits as its factorization.

568747441402409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216760320, while the sum is 65.

The spelling of 568747441402409 in words is "five hundred sixty-eight trillion, seven hundred forty-seven billion, four hundred forty-one million, four hundred two thousand, four hundred nine".