2768919839 has 4 divisors (see below), whose sum is σ = 3164479824. Its totient is φ = 2373359856.

The previous prime is 2768919823. The next prime is 2768919847. The reversal of 2768919839 is 9389198672.

2768919839 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 is not a de Polignac number, because 2768919839 - 2⁴ = 2768919823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768919809) 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, 197779982 + ... + 197779995.

It is an arithmetic number, because the mean of its divisors is an integer number (791119956).

Almost surely, 2^2768919839 is an apocalyptic number.

2768919839 is a deficient number, since it is larger than the sum of its proper divisors (395559985).

2768919839 is an equidigital number, since it uses as much as digits as its factorization.

2768919839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395559984.

The product of its digits is 11757312, while the sum is 62.

The square root of 2768919839 is about 52620.5267837562. The cubic root of 2768919839 is about 1404.2253027542.

The spelling of 2768919839 in words is "two billion, seven hundred sixty-eight million, nine hundred nineteen thousand, eight hundred thirty-nine".