169038349 has 2 divisors, whose sum is σ = 169038350. Its totient is φ = 169038348.

The previous prime is 169038343. The next prime is 169038379. The reversal of 169038349 is 943830961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162052900 + 6985449 = 12730^2 + 2643^2 .

It is a cyclic number.

It is not a de Polignac number, because 169038349 - 2¹³ = 169030157 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169038343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84519174 + 84519175.

It is an arithmetic number, because the mean of its divisors is an integer number (84519175).

Almost surely, 2^169038349 is an apocalyptic number.

It is an amenable number.

169038349 is a deficient number, since it is larger than the sum of its proper divisors (1).

169038349 is an equidigital number, since it uses as much as digits as its factorization.

169038349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 169038349 is about 13001.4748778744. The cubic root of 169038349 is about 552.9192973344.

It can be divided in two parts, 16903 and 8349, that added together give a palindrome (25252).

The spelling of 169038349 in words is "one hundred sixty-nine million, thirty-eight thousand, three hundred forty-nine".