2600678643793 has 2 divisors, whose sum is σ = 2600678643794. Its totient is φ = 2600678643792.

The previous prime is 2600678643779. The next prime is 2600678643841. The reversal of 2600678643793 is 3973468760062.

2600678643793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2218288529664 + 382390114129 = 1489392^2 + 618377^2 .

It is a cyclic number.

It is not a de Polignac number, because 2600678643793 - 2⁹ = 2600678643281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2600673643793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300339321896 + 1300339321897.

It is an arithmetic number, because the mean of its divisors is an integer number (1300339321897).

Almost surely, 2^{2600678643793} is an apocalyptic number.

It is an amenable number.

2600678643793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2600678643793 is an equidigital number, since it uses as much as digits as its factorization.

2600678643793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54867456, while the sum is 61.

The spelling of 2600678643793 in words is "two trillion, six hundred billion, six hundred seventy-eight million, six hundred forty-three thousand, seven hundred ninety-three".