6734556779 has 4 divisors (see below), whose sum is σ = 6762501240. Its totient is φ = 6706612320.

The previous prime is 6734556767. The next prime is 6734556793. The reversal of 6734556779 is 9776554376.

6734556779 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 6734556779 - 2³² = 2439589483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6734456779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13971869 + ... + 13972350.

It is an arithmetic number, because the mean of its divisors is an integer number (1690625310).

Almost surely, 2^6734556779 is an apocalyptic number.

6734556779 is a deficient number, since it is larger than the sum of its proper divisors (27944461).

6734556779 is a wasteful number, since it uses less digits than its factorization.

6734556779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27944460.

The product of its digits is 33339600, while the sum is 59.

The square root of 6734556779 is about 82064.3453577740. The cubic root of 6734556779 is about 1888.4391973057.

The spelling of 6734556779 in words is "six billion, seven hundred thirty-four million, five hundred fifty-six thousand, seven hundred seventy-nine".