9949716319 has 2 divisors, whose sum is σ = 9949716320. Its totient is φ = 9949716318.

The previous prime is 9949716289. The next prime is 9949716367. The reversal of 9949716319 is 9136179499.

It is a weak prime.

It is an emirp because it is prime and its reverse (9136179499) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9949716319 is a prime.

It is a super-2 number, since 2×9949716319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9949716389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4974858159 + 4974858160.

It is an arithmetic number, because the mean of its divisors is an integer number (4974858160).

Almost surely, 2^9949716319 is an apocalyptic number.

9949716319 is a deficient number, since it is larger than the sum of its proper divisors (1).

9949716319 is an equidigital number, since it uses as much as digits as its factorization.

9949716319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3306744, while the sum is 58.

The square root of 9949716319 is about 99748.2647417989. The cubic root of 9949716319 is about 2150.8175235356.

The spelling of 9949716319 in words is "nine billion, nine hundred forty-nine million, seven hundred sixteen thousand, three hundred nineteen".