9994424977 has 2 divisors, whose sum is σ = 9994424978. Its totient is φ = 9994424976.

The previous prime is 9994424971. The next prime is 9994425031. The reversal of 9994424977 is 7794244999.

9994424977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9927332496 + 67092481 = 99636^2 + 8191^2 .

It is a cyclic number.

It is not a de Polignac number, because 9994424977 - 2¹¹ = 9994422929 is a prime.

It is not a weakly prime, because it can be changed into another prime (9994424971) 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, 4997212488 + 4997212489.

It is an arithmetic number, because the mean of its divisors is an integer number (4997212489).

Almost surely, 2^9994424977 is an apocalyptic number.

It is an amenable number.

9994424977 is a deficient number, since it is larger than the sum of its proper divisors (1).

9994424977 is an equidigital number, since it uses as much as digits as its factorization.

9994424977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41150592, while the sum is 64.

The square root of 9994424977 is about 99972.1209988065. The cubic root of 9994424977 is about 2154.0342481753.

The spelling of 9994424977 in words is "nine billion, nine hundred ninety-four million, four hundred twenty-four thousand, nine hundred seventy-seven".