999994433 has 2 divisors, whose sum is σ = 999994434. Its totient is φ = 999994432.

The previous prime is 999994427. The next prime is 999994439. The reversal of 999994433 is 334499999.

999994433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (999994427) and next prime (999994439).

It can be written as a sum of positive squares in only one way, i.e., 503239489 + 496754944 = 22433^2 + 22288^2 .

It is an emirp because it is prime and its reverse (334499999) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999994433 is a prime.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (999994439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499997216 + 499997217.

It is an arithmetic number, because the mean of its divisors is an integer number (499997217).

Almost surely, 2^999994433 is an apocalyptic number.

It is an amenable number.

999994433 is a deficient number, since it is larger than the sum of its proper divisors (1).

999994433 is an equidigital number, since it uses as much as digits as its factorization.

999994433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8503056, while the sum is 59.

The square root of 999994433 is about 31622.6885795626. The cubic root of 999994433 is about 999.9981443299.

The spelling of 999994433 in words is "nine hundred ninety-nine million, nine hundred ninety-four thousand, four hundred thirty-three".