10989993829 has 2 divisors, whose sum is σ = 10989993830. Its totient is φ = 10989993828.

The previous prime is 10989993827. The next prime is 10989993881. The reversal of 10989993829 is 92839998901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9721565604 + 1268428225 = 98598^2 + 35615^2 .

It is a cyclic number.

It is not a de Polignac number, because 10989993829 - 2¹ = 10989993827 is a prime.

It is a super-2 number, since 2×10989993829² (a number of 21 digits) contains 22 as substring.

Together with 10989993827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10989993827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5494996914 + 5494996915.

It is an arithmetic number, because the mean of its divisors is an integer number (5494996915).

Almost surely, 2^10989993829 is an apocalyptic number.

It is an amenable number.

10989993829 is a deficient number, since it is larger than the sum of its proper divisors (1).

10989993829 is an equidigital number, since it uses as much as digits as its factorization.

10989993829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22674816, while the sum is 67.

The spelling of 10989993829 in words is "ten billion, nine hundred eighty-nine million, nine hundred ninety-three thousand, eight hundred twenty-nine".