9825628339 has 2 divisors, whose sum is σ = 9825628340. Its totient is φ = 9825628338.

The previous prime is 9825628331. The next prime is 9825628357. The reversal of 9825628339 is 9338265289.

It is a weak prime.

It is an emirp because it is prime and its reverse (9338265289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9825628339 - 2³ = 9825628331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9825628339.

It is not a weakly prime, because it can be changed into another prime (9825628331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4912814169 + 4912814170.

It is an arithmetic number, because the mean of its divisors is an integer number (4912814170).

Almost surely, 2^9825628339 is an apocalyptic number.

9825628339 is a deficient number, since it is larger than the sum of its proper divisors (1).

9825628339 is an equidigital number, since it uses as much as digits as its factorization.

9825628339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 55.

The square root of 9825628339 is about 99124.3075082999. The cubic root of 9825628339 is about 2141.8387796643.

The spelling of 9825628339 in words is "nine billion, eight hundred twenty-five million, six hundred twenty-eight thousand, three hundred thirty-nine".