2805894713 has 2 divisors, whose sum is σ = 2805894714. Its totient is φ = 2805894712.

The previous prime is 2805894709. The next prime is 2805894731. The reversal of 2805894713 is 3174985082.

It is a happy number.

Together with next prime (2805894731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2260812304 + 545082409 = 47548^2 + 23347^2 .

It is a cyclic number.

It is not a de Polignac number, because 2805894713 - 2² = 2805894709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2805894703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402947356 + 1402947357.

It is an arithmetic number, because the mean of its divisors is an integer number (1402947357).

Almost surely, 2^2805894713 is an apocalyptic number.

It is an amenable number.

2805894713 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805894713 is an equidigital number, since it uses as much as digits as its factorization.

2805894713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 2805894713 is about 52970.6967388574. The cubic root of 2805894713 is about 1410.4481436862.

The spelling of 2805894713 in words is "two billion, eight hundred five million, eight hundred ninety-four thousand, seven hundred thirteen".