169242469 has 8 divisors (see below), whose sum is σ = 187384608. Its totient is φ = 151559760.

The previous prime is 169242449. The next prime is 169242499. The reversal of 169242469 is 964242961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 169242469 - 2¹³ = 169234277 is a prime.

It is a super-2 number, since 2×169242469² = 57286026626431922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169242419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114082 + ... + 115555.

It is an arithmetic number, because the mean of its divisors is an integer number (23423076).

Almost surely, 2^169242469 is an apocalyptic number.

It is an amenable number.

169242469 is a deficient number, since it is larger than the sum of its proper divisors (18142139).

169242469 is a wasteful number, since it uses less digits than its factorization.

169242469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229715.

The product of its digits is 186624, while the sum is 43.

The square root of 169242469 is about 13009.3223881953. The cubic root of 169242469 is about 553.1417645828.

The spelling of 169242469 in words is "one hundred sixty-nine million, two hundred forty-two thousand, four hundred sixty-nine".