2816897813 has 2 divisors, whose sum is σ = 2816897814. Its totient is φ = 2816897812.

The previous prime is 2816897789. The next prime is 2816897819. The reversal of 2816897813 is 3187986182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1560408004 + 1256489809 = 39502^2 + 35447^2 .

It is a cyclic number.

It is not a de Polignac number, because 2816897813 - 2⁶ = 2816897749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2816897819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1408448906 + 1408448907.

It is an arithmetic number, because the mean of its divisors is an integer number (1408448907).

Almost surely, 2^2816897813 is an apocalyptic number.

It is an amenable number.

2816897813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2816897813 is an equidigital number, since it uses as much as digits as its factorization.

2816897813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 53.

The square root of 2816897813 is about 53074.4553716757. The cubic root of 2816897813 is about 1412.2893935926.

The spelling of 2816897813 in words is "two billion, eight hundred sixteen million, eight hundred ninety-seven thousand, eight hundred thirteen".