2668968747 has 6 divisors (see below), whose sum is σ = 3855177092. Its totient is φ = 1779312492.

The previous prime is 2668968721. The next prime is 2668968749. The reversal of 2668968747 is 7478698662.

It is not a de Polignac number, because 2668968747 - 2¹⁹ = 2668444459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2668968749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148276033 + ... + 148276050.

Almost surely, 2^2668968747 is an apocalyptic number.

2668968747 is a deficient number, since it is larger than the sum of its proper divisors (1186208345).

2668968747 is a wasteful number, since it uses less digits than its factorization.

2668968747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296552089 (or 296552086 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The square root of 2668968747 is about 51662.0629379044. The cubic root of 2668968747 is about 1387.1214772660.

The spelling of 2668968747 in words is "two billion, six hundred sixty-eight million, nine hundred sixty-eight thousand, seven hundred forty-seven".