6789613 has 4 divisors (see below), whose sum is σ = 7189020. Its totient is φ = 6390208.

The previous prime is 6789557. The next prime is 6789617. The reversal of 6789613 is 3169876.

6789613 = 1842² + 1843².

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 3396649 + 3392964 = 1843^2 + 1842^2 .

It is a cyclic number.

It is not a de Polignac number, because 6789613 - 2¹⁷ = 6658541 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6789617) 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, 199678 + ... + 199711.

It is an arithmetic number, because the mean of its divisors is an integer number (1797255).

Almost surely, 2^6789613 is an apocalyptic number.

6789613 is the 1843-rd centered square number.

It is an amenable number.

6789613 is a deficient number, since it is larger than the sum of its proper divisors (399407).

6789613 is a wasteful number, since it uses less digits than its factorization.

6789613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399406.

The product of its digits is 54432, while the sum is 40.

The square root of 6789613 is about 2605.6885846164. The cubic root of 6789613 is about 189.3571347973.

The spelling of 6789613 in words is "six million, seven hundred eighty-nine thousand, six hundred thirteen".