7320488389 has 2 divisors, whose sum is σ = 7320488390. Its totient is φ = 7320488388.

The previous prime is 7320488387. The next prime is 7320488393. The reversal of 7320488389 is 9838840237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7150055364 + 170433025 = 84558^2 + 13055^2 .

It is a cyclic number.

It is not a de Polignac number, because 7320488389 - 2¹ = 7320488387 is a prime.

Together with 7320488387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7320488387) 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, 3660244194 + 3660244195.

It is an arithmetic number, because the mean of its divisors is an integer number (3660244195).

Almost surely, 2^7320488389 is an apocalyptic number.

It is an amenable number.

7320488389 is a deficient number, since it is larger than the sum of its proper divisors (1).

7320488389 is an equidigital number, since it uses as much as digits as its factorization.

7320488389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 7320488389 is about 85559.8526705136. The cubic root of 7320488389 is about 1941.6905578604.

The spelling of 7320488389 in words is "seven billion, three hundred twenty million, four hundred eighty-eight thousand, three hundred eighty-nine".