16947239469 has 16 divisors (see below), whose sum is σ = 22934626560. Its totient is φ = 11129944320.

The previous prime is 16947239453. The next prime is 16947239471. The reversal of 16947239469 is 96493274961.

16947239469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16947239469 - 2⁴ = 16947239453 is a prime.

It is a super-2 number, since 2×16947239469² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16947232469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44752 + ... + 189465.

It is an arithmetic number, because the mean of its divisors is an integer number (1433414160).

Almost surely, 2^16947239469 is an apocalyptic number.

It is an amenable number.

16947239469 is a deficient number, since it is larger than the sum of its proper divisors (5987387091).

16947239469 is a wasteful number, since it uses less digits than its factorization.

16947239469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234580.

The product of its digits is 17635968, while the sum is 60.

The spelling of 16947239469 in words is "sixteen billion, nine hundred forty-seven million, two hundred thirty-nine thousand, four hundred sixty-nine".