6424564667 has 2 divisors, whose sum is σ = 6424564668. Its totient is φ = 6424564666.

The previous prime is 6424564633. The next prime is 6424564681. The reversal of 6424564667 is 7664654246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6424564667 - 2⁶ = 6424564603 is a prime.

It is not a weakly prime, because it can be changed into another prime (6424564607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212282333 + 3212282334.

It is an arithmetic number, because the mean of its divisors is an integer number (3212282334).

Almost surely, 2^6424564667 is an apocalyptic number.

6424564667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6424564667 is an equidigital number, since it uses as much as digits as its factorization.

6424564667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 50.

The square root of 6424564667 is about 80153.3821307623. The cubic root of 6424564667 is about 1859.0078983866.

The spelling of 6424564667 in words is "six billion, four hundred twenty-four million, five hundred sixty-four thousand, six hundred sixty-seven".