9949716457 has 2 divisors, whose sum is σ = 9949716458. Its totient is φ = 9949716456.

The previous prime is 9949716449. The next prime is 9949716461. The reversal of 9949716457 is 7546179499.

9949716457 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 can be written as a sum of positive squares in only one way, i.e., 7720082496 + 2229633961 = 87864^2 + 47219^2 .

It is a cyclic number.

It is not a de Polignac number, because 9949716457 - 2³ = 9949716449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9949716395 and 9949716404.

It is not a weakly prime, because it can be changed into another prime (9949716407) 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, 4974858228 + 4974858229.

It is an arithmetic number, because the mean of its divisors is an integer number (4974858229).

Almost surely, 2^9949716457 is an apocalyptic number.

It is an amenable number.

9949716457 is a deficient number, since it is larger than the sum of its proper divisors (1).

9949716457 is an equidigital number, since it uses as much as digits as its factorization.

9949716457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 61.

The square root of 9949716457 is about 99748.2654335402. The cubic root of 9949716457 is about 2150.8175334794.

The spelling of 9949716457 in words is "nine billion, nine hundred forty-nine million, seven hundred sixteen thousand, four hundred fifty-seven".