6479354839 has 2 divisors, whose sum is σ = 6479354840. Its totient is φ = 6479354838.

The previous prime is 6479354837. The next prime is 6479354879. The reversal of 6479354839 is 9384539746.

It is a happy number.

6479354839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6479354839 - 2¹ = 6479354837 is a prime.

Together with 6479354837, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6479354831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239677419 + 3239677420.

It is an arithmetic number, because the mean of its divisors is an integer number (3239677420).

Almost surely, 2^6479354839 is an apocalyptic number.

6479354839 is a deficient number, since it is larger than the sum of its proper divisors (1).

6479354839 is an equidigital number, since it uses as much as digits as its factorization.

6479354839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 58.

The square root of 6479354839 is about 80494.4398017652. The cubic root of 6479354839 is about 1864.2776291352.

The spelling of 6479354839 in words is "six billion, four hundred seventy-nine million, three hundred fifty-four thousand, eight hundred thirty-nine".