6838342647 has 8 divisors (see below), whose sum is σ = 9120447600. Its totient is φ = 4557566400.

The previous prime is 6838342639. The next prime is 6838342657. The reversal of 6838342647 is 7462438386.

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

It is not a de Polignac number, because 6838342647 - 2³ = 6838342639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6838342647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838342657) 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, 320104 + ... + 340797.

It is an arithmetic number, because the mean of its divisors is an integer number (1140055950).

Almost surely, 2^6838342647 is an apocalyptic number.

6838342647 is a deficient number, since it is larger than the sum of its proper divisors (2282104953).

6838342647 is a wasteful number, since it uses less digits than its factorization.

6838342647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664353.

The product of its digits is 4644864, while the sum is 51.

The square root of 6838342647 is about 82694.2721535174. The cubic root of 6838342647 is about 1898.0906624388.

The spelling of 6838342647 in words is "six billion, eight hundred thirty-eight million, three hundred forty-two thousand, six hundred forty-seven".