6629984579 has 2 divisors, whose sum is σ = 6629984580. Its totient is φ = 6629984578.

The previous prime is 6629984567. The next prime is 6629984651. The reversal of 6629984579 is 9754899266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6629984579 - 2⁴ = 6629984563 is a prime.

It is not a weakly prime, because it can be changed into another prime (6629984549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314992289 + 3314992290.

It is an arithmetic number, because the mean of its divisors is an integer number (3314992290).

Almost surely, 2^6629984579 is an apocalyptic number.

6629984579 is a deficient number, since it is larger than the sum of its proper divisors (1).

6629984579 is an equidigital number, since it uses as much as digits as its factorization.

6629984579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58786560, while the sum is 65.

The square root of 6629984579 is about 81424.7172485112. The cubic root of 6629984579 is about 1878.6137905511.

The spelling of 6629984579 in words is "six billion, six hundred twenty-nine million, nine hundred eighty-four thousand, five hundred seventy-nine".