14728390569 has 16 divisors (see below), whose sum is σ = 22968251200. Its totient is φ = 9302141088.

The previous prime is 14728390553. The next prime is 14728390577. The reversal of 14728390569 is 96509382741.

14728390569 is a `hidden beast` number, since 1 + 4 + 72 + 8 + 3 + 9 + 0 + 569 = 666.

It is not a de Polignac number, because 14728390569 - 2⁴ = 14728390553 is a prime.

It is a super-2 number, since 2×14728390569² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14728398569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14354644 + ... + 14355669.

It is an arithmetic number, because the mean of its divisors is an integer number (1435515700).

It is a 1-persistent number, because it is pandigital, but 2⋅14728390569 = 29456781138 is not.

Almost surely, 2^14728390569 is an apocalyptic number.

14728390569 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14728390569 is a deficient number, since it is larger than the sum of its proper divisors (8239860631).

14728390569 is a wasteful number, since it uses less digits than its factorization.

14728390569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28710341 (or 28710335 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 14728390569 in words is "fourteen billion, seven hundred twenty-eight million, three hundred ninety thousand, five hundred sixty-nine".