2808840282461 has 2 divisors, whose sum is σ = 2808840282462. Its totient is φ = 2808840282460.

The previous prime is 2808840282389. The next prime is 2808840282487. The reversal of 2808840282461 is 1642820488082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2779455808900 + 29384473561 = 1667170^2 + 171419^2 .

It is a cyclic number.

It is not a de Polignac number, because 2808840282461 - 2¹⁸ = 2808840020317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2808840282761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404420141230 + 1404420141231.

It is an arithmetic number, because the mean of its divisors is an integer number (1404420141231).

Almost surely, 2^{2808840282461} is an apocalyptic number.

It is an amenable number.

2808840282461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2808840282461 is an equidigital number, since it uses as much as digits as its factorization.

2808840282461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3145728, while the sum is 53.

The spelling of 2808840282461 in words is "two trillion, eight hundred eight billion, eight hundred forty million, two hundred eighty-two thousand, four hundred sixty-one".