6773427613 has 4 divisors (see below), whose sum is σ = 6901228188. Its totient is φ = 6645627040.

The previous prime is 6773427587. The next prime is 6773427643. The reversal of 6773427613 is 3167243776.

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 3807753849 + 2965673764 = 61707^2 + 54458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6773427613 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 (6773427643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63900208 + ... + 63900313.

It is an arithmetic number, because the mean of its divisors is an integer number (1725307047).

Almost surely, 2^6773427613 is an apocalyptic number.

It is an amenable number.

6773427613 is a deficient number, since it is larger than the sum of its proper divisors (127800575).

6773427613 is a wasteful number, since it uses less digits than its factorization.

6773427613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127800574.

The product of its digits is 889056, while the sum is 46.

The square root of 6773427613 is about 82300.8360407110. The cubic root of 6773427613 is about 1892.0654903789.

The spelling of 6773427613 in words is "six billion, seven hundred seventy-three million, four hundred twenty-seven thousand, six hundred thirteen".