6346684189 has 4 divisors (see below), whose sum is σ = 6346845724. Its totient is φ = 6346522656.

The previous prime is 6346684153. The next prime is 6346684207. The reversal of 6346684189 is 9814866436.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1757705625 + 4588978564 = 41925^2 + 67742^2 .

It is a cyclic number.

It is not a de Polignac number, because 6346684189 - 2¹³ = 6346675997 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 (6346684139) 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, 20449 + ... + 114505.

It is an arithmetic number, because the mean of its divisors is an integer number (1586711431).

Almost surely, 2^6346684189 is an apocalyptic number.

It is an amenable number.

6346684189 is a deficient number, since it is larger than the sum of its proper divisors (161535).

6346684189 is an equidigital number, since it uses as much as digits as its factorization.

6346684189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161534.

The product of its digits is 5971968, while the sum is 55.

The square root of 6346684189 is about 79666.0792872349. The cubic root of 6346684189 is about 1851.4655238163.

The spelling of 6346684189 in words is "six billion, three hundred forty-six million, six hundred eighty-four thousand, one hundred eighty-nine".