10989146269 has 2 divisors, whose sum is σ = 10989146270. Its totient is φ = 10989146268.

The previous prime is 10989146251. The next prime is 10989146293. The reversal of 10989146269 is 96264198901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10321544025 + 667602244 = 101595^2 + 25838^2 .

It is a cyclic number.

It is not a de Polignac number, because 10989146269 - 2⁹ = 10989145757 is a prime.

It is a super-2 number, since 2×10989146269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10989146249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5494573134 + 5494573135.

It is an arithmetic number, because the mean of its divisors is an integer number (5494573135).

Almost surely, 2^10989146269 is an apocalyptic number.

It is an amenable number.

10989146269 is a deficient number, since it is larger than the sum of its proper divisors (1).

10989146269 is an equidigital number, since it uses as much as digits as its factorization.

10989146269 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 10989146269 in words is "ten billion, nine hundred eighty-nine million, one hundred forty-six thousand, two hundred sixty-nine".