10989443 has 2 divisors, whose sum is σ = 10989444. Its totient is φ = 10989442.

The previous prime is 10989431. The next prime is 10989499. The reversal of 10989443 is 34498901.

It is a weak prime.

It is an emirp because it is prime and its reverse (34498901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10989443 - 2⁴ = 10989427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10989397 and 10989406.

It is not a weakly prime, because it can be changed into another prime (10989403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5494721 + 5494722.

It is an arithmetic number, because the mean of its divisors is an integer number (5494722).

Almost surely, 2^10989443 is an apocalyptic number.

10989443 is a deficient number, since it is larger than the sum of its proper divisors (1).

10989443 is an equidigital number, since it uses as much as digits as its factorization.

10989443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 10989443 is about 3315.0328806816. The cubic root of 10989443 is about 222.3268391393.

The spelling of 10989443 in words is "ten million, nine hundred eighty-nine thousand, four hundred forty-three".