8411766409 has 2 divisors, whose sum is σ = 8411766410. Its totient is φ = 8411766408.

The previous prime is 8411766403. The next prime is 8411766437. The reversal of 8411766409 is 9046671148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7753330809 + 658435600 = 88053^2 + 25660^2 .

It is a cyclic number.

It is not a de Polignac number, because 8411766409 - 2⁷ = 8411766281 is a prime.

It is not a weakly prime, because it can be changed into another prime (8411766403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4205883204 + 4205883205.

It is an arithmetic number, because the mean of its divisors is an integer number (4205883205).

Almost surely, 2^8411766409 is an apocalyptic number.

It is an amenable number.

8411766409 is a deficient number, since it is larger than the sum of its proper divisors (1).

8411766409 is an equidigital number, since it uses as much as digits as its factorization.

8411766409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 8411766409 is about 91715.6824594355. The cubic root of 8411766409 is about 2033.7414243850.

The spelling of 8411766409 in words is "eight billion, four hundred eleven million, seven hundred sixty-six thousand, four hundred nine".