6346942789 has 4 divisors (see below), whose sum is σ = 6923937600. Its totient is φ = 5769947980.

The previous prime is 6346942757. The next prime is 6346942807. The reversal of 6346942789 is 9872496436.

It is a happy number.

6346942789 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6346942789 - 2⁵ = 6346942757 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 (6346942739) 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, 288497389 + ... + 288497410.

It is an arithmetic number, because the mean of its divisors is an integer number (1730984400).

Almost surely, 2^6346942789 is an apocalyptic number.

It is an amenable number.

6346942789 is a deficient number, since it is larger than the sum of its proper divisors (576994811).

6346942789 is a wasteful number, since it uses less digits than its factorization.

6346942789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576994810.

The product of its digits is 15676416, while the sum is 58.

The square root of 6346942789 is about 79667.7022952212. The cubic root of 6346942789 is about 1851.4906698856.

The spelling of 6346942789 in words is "six billion, three hundred forty-six million, nine hundred forty-two thousand, seven hundred eighty-nine".