2718768609 has 12 divisors (see below), whose sum is σ = 3930603300. Its totient is φ = 1810900224.

The previous prime is 2718768607. The next prime is 2718768617. The reversal of 2718768609 is 9068678172.

2718768609 is a `hidden beast` number, since 27 + 1 + 8 + 7 + 6 + 8 + 609 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1168614225 + 1550154384 = 34185^2 + 39372^2 .

It is not a de Polignac number, because 2718768609 - 2¹ = 2718768607 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2718768607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123624 + ... + 143945.

It is an arithmetic number, because the mean of its divisors is an integer number (327550275).

Almost surely, 2^2718768609 is an apocalyptic number.

It is an amenable number.

2718768609 is a deficient number, since it is larger than the sum of its proper divisors (1211834691).

2718768609 is a wasteful number, since it uses less digits than its factorization.

2718768609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268704 (or 268701 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 2718768609 is about 52141.8124828817. The cubic root of 2718768609 is about 1395.6957272681.

The spelling of 2718768609 in words is "two billion, seven hundred eighteen million, seven hundred sixty-eight thousand, six hundred nine".