14428234785 has 16 divisors (see below), whose sum is σ = 23520746304. Its totient is φ = 7549868352.

The previous prime is 14428234783. The next prime is 14428234787. The reversal of 14428234785 is 58743282441.

It is an interprime number because it is at equal distance from previous prime (14428234783) and next prime (14428234787).

It is not a de Polignac number, because 14428234785 - 2¹ = 14428234783 is a prime.

It is a super-2 number, since 2×14428234785² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14428234783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9073567 + ... + 9075156.

It is an arithmetic number, because the mean of its divisors is an integer number (1470046644).

Almost surely, 2^14428234785 is an apocalyptic number.

14428234785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14428234785 is a deficient number, since it is larger than the sum of its proper divisors (9092511519).

14428234785 is a wasteful number, since it uses less digits than its factorization.

14428234785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18148784.

The product of its digits is 1720320, while the sum is 48.

The spelling of 14428234785 in words is "fourteen billion, four hundred twenty-eight million, two hundred thirty-four thousand, seven hundred eighty-five".