2805217411 has 2 divisors, whose sum is σ = 2805217412. Its totient is φ = 2805217410.

The previous prime is 2805217409. The next prime is 2805217421. The reversal of 2805217411 is 1147125082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2805217411 - 2¹ = 2805217409 is a prime.

Together with 2805217409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2805217421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402608705 + 1402608706.

It is an arithmetic number, because the mean of its divisors is an integer number (1402608706).

Almost surely, 2^2805217411 is an apocalyptic number.

2805217411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805217411 is an equidigital number, since it uses as much as digits as its factorization.

2805217411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 2805217411 is about 52964.3031767624. The cubic root of 2805217411 is about 1410.3346473601.

The spelling of 2805217411 in words is "two billion, eight hundred five million, two hundred seventeen thousand, four hundred eleven".