2768493948685 has 4 divisors (see below), whose sum is σ = 3322192738428. Its totient is φ = 2214795158944.

The previous prime is 2768493948673. The next prime is 2768493948719. The reversal of 2768493948685 is 5868493948672.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 768501196164 + 1999992752521 = 876642^2 + 1414211^2 .

It is a cyclic number.

It is not a de Polignac number, because 2768493948685 - 2⁵ = 2768493948653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 276849394864 + ... + 276849394873.

It is an arithmetic number, because the mean of its divisors is an integer number (830548184607).

Almost surely, 2^{2768493948685} is an apocalyptic number.

It is an amenable number.

2768493948685 is a deficient number, since it is larger than the sum of its proper divisors (553698789743).

2768493948685 is an equidigital number, since it uses as much as digits as its factorization.

2768493948685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553698789742.

The product of its digits is 5016453120, while the sum is 79.

The spelling of 2768493948685 in words is "two trillion, seven hundred sixty-eight billion, four hundred ninety-three million, nine hundred forty-eight thousand, six hundred eighty-five".