14428881819 has 12 divisors (see below), whose sum is σ = 22736419992. Its totient is φ = 8744776800.

The previous prime is 14428881811. The next prime is 14428881833. The reversal of 14428881819 is 91818882441.

It is a happy number.

14428881819 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 14428881819 - 2³ = 14428881811 is a prime.

It is a super-2 number, since 2×14428881819² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14428881811) 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 11 ways as a sum of consecutive naturals, for example, 72873042 + ... + 72873239.

It is an arithmetic number, because the mean of its divisors is an integer number (1894701666).

Almost surely, 2^14428881819 is an apocalyptic number.

14428881819 is a deficient number, since it is larger than the sum of its proper divisors (8307538173).

14428881819 is a wasteful number, since it uses less digits than its factorization.

14428881819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145746298 (or 145746295 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 54.

The spelling of 14428881819 in words is "fourteen billion, four hundred twenty-eight million, eight hundred eighty-one thousand, eight hundred nineteen".