989069933 has 2 divisors, whose sum is σ = 989069934. Its totient is φ = 989069932.

The previous prime is 989069863. The next prime is 989069951. The reversal of 989069933 is 339960989.

989069933 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., 969824164 + 19245769 = 31142^2 + 4387^2 .

It is an emirp because it is prime and its reverse (339960989) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989069933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989069033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494534966 + 494534967.

It is an arithmetic number, because the mean of its divisors is an integer number (494534967).

Almost surely, 2^989069933 is an apocalyptic number.

It is an amenable number.

989069933 is a deficient number, since it is larger than the sum of its proper divisors (1).

989069933 is an equidigital number, since it uses as much as digits as its factorization.

989069933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2834352, while the sum is 56.

The square root of 989069933 is about 31449.4822373914. The cubic root of 989069933 is about 996.3432890973.

The spelling of 989069933 in words is "nine hundred eighty-nine million, sixty-nine thousand, nine hundred thirty-three".