2786826899473 has 2 divisors, whose sum is σ = 2786826899474. Its totient is φ = 2786826899472.

The previous prime is 2786826899471. The next prime is 2786826899501. The reversal of 2786826899473 is 3749986286872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2426812499329 + 360014400144 = 1557823^2 + 600012^2 .

It is a cyclic number.

It is not a de Polignac number, because 2786826899473 - 2¹ = 2786826899471 is a prime.

Together with 2786826899471, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2786826899393 and 2786826899402.

It is not a weakly prime, because it can be changed into another prime (2786826899471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1393413449736 + 1393413449737.

It is an arithmetic number, because the mean of its divisors is an integer number (1393413449737).

Almost surely, 2^{2786826899473} is an apocalyptic number.

It is an amenable number.

2786826899473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2786826899473 is an equidigital number, since it uses as much as digits as its factorization.

2786826899473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3511517184, while the sum is 79.

The spelling of 2786826899473 in words is "two trillion, seven hundred eighty-six billion, eight hundred twenty-six million, eight hundred ninety-nine thousand, four hundred seventy-three".