9940708049 has 2 divisors, whose sum is σ = 9940708050. Its totient is φ = 9940708048.

The previous prime is 9940707949. The next prime is 9940708067. The reversal of 9940708049 is 9408070499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8605901824 + 1334806225 = 92768^2 + 36535^2 .

It is a cyclic number.

It is not a de Polignac number, because 9940708049 - 2¹⁶ = 9940642513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9940707988 and 9940708006.

It is not a weakly prime, because it can be changed into another prime (9940702049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4970354024 + 4970354025.

It is an arithmetic number, because the mean of its divisors is an integer number (4970354025).

Almost surely, 2^9940708049 is an apocalyptic number.

It is an amenable number.

9940708049 is a deficient number, since it is larger than the sum of its proper divisors (1).

9940708049 is an equidigital number, since it uses as much as digits as its factorization.

9940708049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 9940708049 is about 99703.0994954520. The cubic root of 9940708049 is about 2150.1682254524.

The spelling of 9940708049 in words is "nine billion, nine hundred forty million, seven hundred eight thousand, forty-nine".