169112429 has 2 divisors, whose sum is σ = 169112430. Its totient is φ = 169112428.

The previous prime is 169112357. The next prime is 169112473. The reversal of 169112429 is 924211961.

169112429 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., 163891204 + 5221225 = 12802^2 + 2285^2 .

It is an emirp because it is prime and its reverse (924211961) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169112429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169112129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84556214 + 84556215.

It is an arithmetic number, because the mean of its divisors is an integer number (84556215).

Almost surely, 2^169112429 is an apocalyptic number.

It is an amenable number.

169112429 is a deficient number, since it is larger than the sum of its proper divisors (1).

169112429 is an equidigital number, since it uses as much as digits as its factorization.

169112429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 169112429 is about 13004.3234733684. The cubic root of 169112429 is about 553.0000566803. Note that the first 4 decimals are identical.

The spelling of 169112429 in words is "one hundred sixty-nine million, one hundred twelve thousand, four hundred twenty-nine".