9991302353 has 2 divisors, whose sum is σ = 9991302354. Its totient is φ = 9991302352.

The previous prime is 9991302329. The next prime is 9991302359. The reversal of 9991302353 is 3532031999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9657582529 + 333719824 = 98273^2 + 18268^2 .

It is a cyclic number.

It is not a de Polignac number, because 9991302353 - 2²⁴ = 9974525137 is a prime.

It is a super-2 number, since 2×9991302353² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9991302359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4995651176 + 4995651177.

It is an arithmetic number, because the mean of its divisors is an integer number (4995651177).

Almost surely, 2^9991302353 is an apocalyptic number.

It is an amenable number.

9991302353 is a deficient number, since it is larger than the sum of its proper divisors (1).

9991302353 is an equidigital number, since it uses as much as digits as its factorization.

9991302353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 44.

The square root of 9991302353 is about 99956.5023047525. The cubic root of 9991302353 is about 2153.8098917738.

The spelling of 9991302353 in words is "nine billion, nine hundred ninety-one million, three hundred two thousand, three hundred fifty-three".