6346638309 has 8 divisors (see below), whose sum is σ = 9231473952. Its totient is φ = 3846447440.

The previous prime is 6346638307. The next prime is 6346638367. The reversal of 6346638309 is 9038366436.

6346638309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6346638309 - 2¹ = 6346638307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6346638301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96161154 + ... + 96161219.

It is an arithmetic number, because the mean of its divisors is an integer number (1153934244).

Almost surely, 2^6346638309 is an apocalyptic number.

It is an amenable number.

6346638309 is a deficient number, since it is larger than the sum of its proper divisors (2884835643).

6346638309 is a wasteful number, since it uses less digits than its factorization.

6346638309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192322387.

The product of its (nonzero) digits is 1679616, while the sum is 48.

The square root of 6346638309 is about 79665.7913348007. The cubic root of 6346638309 is about 1851.4610624083.

The spelling of 6346638309 in words is "six billion, three hundred forty-six million, six hundred thirty-eight thousand, three hundred nine".