2768007449 has 4 divisors (see below), whose sum is σ = 2778778164. Its totient is φ = 2757236736.

The previous prime is 2768007443. The next prime is 2768007469. The reversal of 2768007449 is 9447008672.

2768007449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2671339225 + 96668224 = 51685^2 + 9832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2768007449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2768007443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5384972 + ... + 5385485.

It is an arithmetic number, because the mean of its divisors is an integer number (694694541).

Almost surely, 2^2768007449 is an apocalyptic number.

It is an amenable number.

2768007449 is a deficient number, since it is larger than the sum of its proper divisors (10770715).

2768007449 is a wasteful number, since it uses less digits than its factorization.

2768007449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10770714.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 2768007449 is about 52611.8565439388. The cubic root of 2768007449 is about 1404.0710498388.

The spelling of 2768007449 in words is "two billion, seven hundred sixty-eight million, seven thousand, four hundred forty-nine".