2768241686 has 16 divisors (see below), whose sum is σ = 4805629440. Its totient is φ = 1171371240.

The previous prime is 2768241683. The next prime is 2768241703. The reversal of 2768241686 is 6861428672.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768241683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250360 + ... + 1252571.

It is an arithmetic number, because the mean of its divisors is an integer number (300351840).

Almost surely, 2^2768241686 is an apocalyptic number.

2768241686 is a deficient number, since it is larger than the sum of its proper divisors (2037387754).

2768241686 is a wasteful number, since it uses less digits than its factorization.

2768241686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503019.

The product of its digits is 1548288, while the sum is 50.

The square root of 2768241686 is about 52614.0825825178. The cubic root of 2768241686 is about 1404.1106542739.

The spelling of 2768241686 in words is "two billion, seven hundred sixty-eight million, two hundred forty-one thousand, six hundred eighty-six".