7633920989 has 2 divisors, whose sum is σ = 7633920990. Its totient is φ = 7633920988.

The previous prime is 7633920971. The next prime is 7633921013. The reversal of 7633920989 is 9890293367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6271056100 + 1362864889 = 79190^2 + 36917^2 .

It is an emirp because it is prime and its reverse (9890293367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7633920989 - 2²⁴ = 7617143773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7633928989) 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, 3816960494 + 3816960495.

It is an arithmetic number, because the mean of its divisors is an integer number (3816960495).

Almost surely, 2^7633920989 is an apocalyptic number.

It is an amenable number.

7633920989 is a deficient number, since it is larger than the sum of its proper divisors (1).

7633920989 is an equidigital number, since it uses as much as digits as its factorization.

7633920989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The square root of 7633920989 is about 87372.3124851346. The cubic root of 7633920989 is about 1969.0158868857.

The spelling of 7633920989 in words is "seven billion, six hundred thirty-three million, nine hundred twenty thousand, nine hundred eighty-nine".