14428811905 has 4 divisors (see below), whose sum is σ = 17314574292. Its totient is φ = 11543049520.

The previous prime is 14428811899. The next prime is 14428811911. The reversal of 14428811905 is 50911882441.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (14428811899) and next prime (14428811911).

It can be written as a sum of positive squares in 2 ways, for example, as 9408806001 + 5020005904 = 96999^2 + 70852^2 .

It is not a de Polignac number, because 14428811905 - 2¹⁵ = 14428779137 is a prime.

It is a super-2 number, since 2×14428811905² (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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442881186 + ... + 1442881195.

It is an arithmetic number, because the mean of its divisors is an integer number (4328643573).

Almost surely, 2^14428811905 is an apocalyptic number.

It is an amenable number.

14428811905 is a deficient number, since it is larger than the sum of its proper divisors (2885762387).

14428811905 is an equidigital number, since it uses as much as digits as its factorization.

14428811905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885762386.

The product of its (nonzero) digits is 92160, while the sum is 43.

The spelling of 14428811905 in words is "fourteen billion, four hundred twenty-eight million, eight hundred eleven thousand, nine hundred five".