9720235339 has 16 divisors (see below), whose sum is σ = 9898257600. Its totient is φ = 9544189824.

The previous prime is 9720235241. The next prime is 9720235379. The reversal of 9720235339 is 9335320279.

It is a cyclic number.

It is not a de Polignac number, because 9720235339 - 2²¹ = 9718138187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9720235295 and 9720235304.

It is not an unprimeable number, because it can be changed into a prime (9720235379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11585082 + ... + 11585920.

It is an arithmetic number, because the mean of its divisors is an integer number (618641100).

Almost surely, 2^9720235339 is an apocalyptic number.

9720235339 is a deficient number, since it is larger than the sum of its proper divisors (178022261).

9720235339 is a wasteful number, since it uses less digits than its factorization.

9720235339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782.

The product of its (nonzero) digits is 306180, while the sum is 43.

The square root of 9720235339 is about 98591.2538666590. The cubic root of 9720235339 is about 2134.1532063351.

The spelling of 9720235339 in words is "nine billion, seven hundred twenty million, two hundred thirty-five thousand, three hundred thirty-nine".