6579946147 has 4 divisors (see below), whose sum is σ = 6580232560. Its totient is φ = 6579659736.

The previous prime is 6579946141. The next prime is 6579946151. The reversal of 6579946147 is 7416499756.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6579946147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6579946091 and 6579946100.

It is not an unprimeable number, because it can be changed into a prime (6579946141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105423 + ... + 155800.

It is an arithmetic number, because the mean of its divisors is an integer number (1645058140).

Almost surely, 2^6579946147 is an apocalyptic number.

6579946147 is a deficient number, since it is larger than the sum of its proper divisors (286413).

6579946147 is a wasteful number, since it uses less digits than its factorization.

6579946147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286412.

The product of its digits is 11430720, while the sum is 58.

The square root of 6579946147 is about 81116.8672163811. The cubic root of 6579946147 is about 1873.8757013954.

The spelling of 6579946147 in words is "six billion, five hundred seventy-nine million, nine hundred forty-six thousand, one hundred forty-seven".