9830399959 has 2 divisors, whose sum is σ = 9830399960. Its totient is φ = 9830399958.

The previous prime is 9830399947. The next prime is 9830399963. The reversal of 9830399959 is 9599930389.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9830399959 - 2²¹ = 9828302807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9830399959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9830399989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4915199979 + 4915199980.

It is an arithmetic number, because the mean of its divisors is an integer number (4915199980).

Almost surely, 2^9830399959 is an apocalyptic number.

9830399959 is a deficient number, since it is larger than the sum of its proper divisors (1).

9830399959 is an equidigital number, since it uses as much as digits as its factorization.

9830399959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21257640, while the sum is 64.

The square root of 9830399959 is about 99148.3734561490. The cubic root of 9830399959 is about 2142.1854372848.

The spelling of 9830399959 in words is "nine billion, eight hundred thirty million, three hundred ninety-nine thousand, nine hundred fifty-nine".