2784405680713 has 2 divisors, whose sum is σ = 2784405680714. Its totient is φ = 2784405680712.

The previous prime is 2784405680711. The next prime is 2784405680729. The reversal of 2784405680713 is 3170865044872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2399066427664 + 385339253049 = 1548892^2 + 620757^2 .

It is a cyclic number.

It is not a de Polignac number, because 2784405680713 - 2¹ = 2784405680711 is a prime.

Together with 2784405680711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2784405680711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392202840356 + 1392202840357.

It is an arithmetic number, because the mean of its divisors is an integer number (1392202840357).

Almost surely, 2^{2784405680713} is an apocalyptic number.

It is an amenable number.

2784405680713 is a deficient number, since it is larger than the sum of its proper divisors (1).

2784405680713 is an equidigital number, since it uses as much as digits as its factorization.

2784405680713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 2784405680713 in words is "two trillion, seven hundred eighty-four billion, four hundred five million, six hundred eighty thousand, seven hundred thirteen".