7664424563 has 2 divisors, whose sum is σ = 7664424564. Its totient is φ = 7664424562.

The previous prime is 7664424553. The next prime is 7664424571. The reversal of 7664424563 is 3654244667.

It is a strong prime.

It is an emirp because it is prime and its reverse (3654244667) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7664424563 is a prime.

It is not a weakly prime, because it can be changed into another prime (7664424553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3832212281 + 3832212282.

It is an arithmetic number, because the mean of its divisors is an integer number (3832212282).

Almost surely, 2^7664424563 is an apocalyptic number.

7664424563 is a deficient number, since it is larger than the sum of its proper divisors (1).

7664424563 is an equidigital number, since it uses as much as digits as its factorization.

7664424563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 47.

The square root of 7664424563 is about 87546.6993267022. The cubic root of 7664424563 is about 1971.6349953155.

The spelling of 7664424563 in words is "seven billion, six hundred sixty-four million, four hundred twenty-four thousand, five hundred sixty-three".