7664826443 has 2 divisors, whose sum is σ = 7664826444. Its totient is φ = 7664826442.

The previous prime is 7664826373. The next prime is 7664826493. The reversal of 7664826443 is 3446284667.

It is an a-pointer prime, because the next prime (7664826493) can be obtained adding 7664826443 to its sum of digits (50).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7664826443 - 2¹⁰ = 7664825419 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 7664826391 and 7664826400.

It is not a weakly prime, because it can be changed into another prime (7664826493) by changing a digit.

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

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3832413221 + 3832413222.

It is an arithmetic number, because the mean of its divisors is an integer number (3832413222).

Almost surely, 2^7664826443 is an apocalyptic number.

7664826443 is a deficient number, since it is larger than the sum of its proper divisors (1).

7664826443 is an equidigital number, since it uses as much as digits as its factorization.

7664826443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 50.

The square root of 7664826443 is about 87548.9945287780. The cubic root of 7664826443 is about 1971.6694552552.

The spelling of 7664826443 in words is "seven billion, six hundred sixty-four million, eight hundred twenty-six thousand, four hundred forty-three".