9720235379 has 2 divisors, whose sum is σ = 9720235380. Its totient is φ = 9720235378.

The previous prime is 9720235241. The next prime is 9720235409. The reversal of 9720235379 is 9735320279.

9720235379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (9735320279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9720235379 - 2⁸ = 9720235123 is a prime.

It is not a weakly prime, because it can be changed into another prime (9720235079) 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, 4860117689 + 4860117690.

It is an arithmetic number, because the mean of its divisors is an integer number (4860117690).

Almost surely, 2^9720235379 is an apocalyptic number.

9720235379 is a deficient number, since it is larger than the sum of its proper divisors (1).

9720235379 is an equidigital number, since it uses as much as digits as its factorization.

9720235379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 714420, while the sum is 47.

The square root of 9720235379 is about 98591.2540695167. The cubic root of 9720235379 is about 2134.1532092626.

The spelling of 9720235379 in words is "nine billion, seven hundred twenty million, two hundred thirty-five thousand, three hundred seventy-nine".