6424564879 has 2 divisors, whose sum is σ = 6424564880. Its totient is φ = 6424564878.

The previous prime is 6424564847. The next prime is 6424564897. The reversal of 6424564879 is 9784654246.

Together with next prime (6424564897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6424564879 - 2⁵ = 6424564847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6424514879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212282439 + 3212282440.

It is an arithmetic number, because the mean of its divisors is an integer number (3212282440).

Almost surely, 2^6424564879 is an apocalyptic number.

6424564879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6424564879 is an equidigital number, since it uses as much as digits as its factorization.

6424564879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 55.

The square root of 6424564879 is about 80153.3834532267. The cubic root of 6424564879 is about 1859.0079188346.

The spelling of 6424564879 in words is "six billion, four hundred twenty-four million, five hundred sixty-four thousand, eight hundred seventy-nine".