9720699203 has 2 divisors, whose sum is σ = 9720699204. Its totient is φ = 9720699202.

The previous prime is 9720699151. The next prime is 9720699223. The reversal of 9720699203 is 3029960279.

It is a strong prime.

It is an emirp because it is prime and its reverse (3029960279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9720699203 - 2¹⁴ = 9720682819 is a prime.

It is not a weakly prime, because it can be changed into another prime (9720699223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4860349601 + 4860349602.

It is an arithmetic number, because the mean of its divisors is an integer number (4860349602).

Almost surely, 2^9720699203 is an apocalyptic number.

9720699203 is a deficient number, since it is larger than the sum of its proper divisors (1).

9720699203 is an equidigital number, since it uses as much as digits as its factorization.

9720699203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 9720699203 is about 98593.6062987859. The cubic root of 9720699203 is about 2134.1871541105.

The spelling of 9720699203 in words is "nine billion, seven hundred twenty million, six hundred ninety-nine thousand, two hundred three".