969823000189 has 2 divisors, whose sum is σ = 969823000190. Its totient is φ = 969823000188.

The previous prime is 969823000147. The next prime is 969823000213. The reversal of 969823000189 is 981000328969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 858850734564 + 110972265625 = 926742^2 + 333125^2 .

It is an emirp because it is prime and its reverse (981000328969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 969823000189 - 2⁷ = 969823000061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969823000129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484911500094 + 484911500095.

It is an arithmetic number, because the mean of its divisors is an integer number (484911500095).

Almost surely, 2^969823000189 is an apocalyptic number.

It is an amenable number.

969823000189 is a deficient number, since it is larger than the sum of its proper divisors (1).

969823000189 is an equidigital number, since it uses as much as digits as its factorization.

969823000189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 969823000189 in words is "nine hundred sixty-nine billion, eight hundred twenty-three million, one hundred eighty-nine", and thus it is an aban number.