2800802543491 has 2 divisors, whose sum is σ = 2800802543492. Its totient is φ = 2800802543490.

The previous prime is 2800802543449. The next prime is 2800802543533. The reversal of 2800802543491 is 1943452080082.

2800802543491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2800802543449) and next prime (2800802543533).

It is a cyclic number.

It is not a de Polignac number, because 2800802543491 - 2²⁹ = 2800265672579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2800802540491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400401271745 + 1400401271746.

It is an arithmetic number, because the mean of its divisors is an integer number (1400401271746).

Almost surely, 2^{2800802543491} is an apocalyptic number.

2800802543491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2800802543491 is an equidigital number, since it uses as much as digits as its factorization.

2800802543491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 2800802543491 in words is "two trillion, eight hundred billion, eight hundred two million, five hundred forty-three thousand, four hundred ninety-one".