6339509147 has 4 divisors (see below), whose sum is σ = 6340173936. Its totient is φ = 6338844360.

The previous prime is 6339509107. The next prime is 6339509149. The reversal of 6339509147 is 7419059336.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6339509147 - 2²⁸ = 6071073691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6339509149) 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, 317879 + ... + 337232.

It is an arithmetic number, because the mean of its divisors is an integer number (1585043484).

Almost surely, 2^6339509147 is an apocalyptic number.

6339509147 is a deficient number, since it is larger than the sum of its proper divisors (664789).

6339509147 is an equidigital number, since it uses as much as digits as its factorization.

6339509147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664788.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 6339509147 is about 79621.0345762977. The cubic root of 6339509147 is about 1850.7675555697.

The spelling of 6339509147 in words is "six billion, three hundred thirty-nine million, five hundred nine thousand, one hundred forty-seven".