14146434385 has 8 divisors (see below), whose sum is σ = 17389763496. Its totient is φ = 11041119360.

The previous prime is 14146434377. The next prime is 14146434397. The reversal of 14146434385 is 58343464141.

14146434385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 873320704 + 13273113681 = 29552^2 + 115209^2 .

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

It is not a de Polignac number, because 14146434385 - 2³ = 14146434377 is a prime.

It is a super-2 number, since 2×14146434385² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34503294 + ... + 34503703.

It is an arithmetic number, because the mean of its divisors is an integer number (2173720437).

Almost surely, 2^14146434385 is an apocalyptic number.

It is an amenable number.

14146434385 is a deficient number, since it is larger than the sum of its proper divisors (3243329111).

14146434385 is an equidigital number, since it uses as much as digits as its factorization.

14146434385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69007043.

The product of its digits is 552960, while the sum is 43.

The spelling of 14146434385 in words is "fourteen billion, one hundred forty-six million, four hundred thirty-four thousand, three hundred eighty-five".